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1,204 tracked investments · page 5 of 7 · listed companies and verified rows first

PassiveLogic, Inc.passive-logic.comApr 2018 · $1.6M

PassiveLogic builds a physical AI stack—including a world model, reasoning agents, and autonomous control systems—for operating and automating buildings and infrastructure.

AI & Machine LearningEnergyPropTech

PATHWAYS UNITED LLCpathwaysunited.orgJun 2021 · $399.2K
PAULSSON, INC.paulsson.comFeb 2017 · $9.6M

Paulsson provides subsurface exploration and monitoring services using proprietary Vertical Seismic Profiling (VSP) and fiber optic downhole sensor technologies for high-resolution 3D imaging of geological formations, faults, and fluids.

Deep TechEnergyHardware

PAX SCIENTIFIC INCpaxscientific.com

PAX Scientific is a fluid dynamics research and design firm that applies principles of natural fluid flow to design efficient industrial equipment and related technologies.

Advanced ManufacturingDeep TechHardware

PC KRAUSE & ASSOCIATES INCpcka.com

PCKA (PC Krause and Associates) provides engineering services, software tools, modeling and simulation facilities, and hardware prototyping and design, specializing in modeling, simulation, analysis, and design of interactive systems.

Deep TechDefense TechHardware

PD3 TECHNOLOGIES, INC.pd3consulting.comJun 2021 · $400K
Pecos Wind Powerpecoswindpower.comJun 2020 · $1.3M

Pecos Wind Power builds small wind turbines optimized for low wind speeds, using a prefabricated foundation to reduce construction time and offering flexible financing to help customers lower electricity costs.

CleantechEnergyHardwareSomerville, US

JOSHUA GROLEAU(Executive Officer)

BoardJAMES FORTE(Director)CAMERON REAGOR(Director)

PENDAR TECHNOLOGIES LLCpendar.comJun 2021 · $699.7K

Pendar Technologies develops Raman spectroscopy instruments and autonomous chemistry systems for chemical analysis and discovery, including handheld devices for identifying threat materials and tools for real-time reaction kinetics, inspection, authentication, and process control.

Deep TechDefense TechHardware

PERFORMANCE SYSTEMS DEVELOPMENT OF NEW YORK LLCpsdconsulting.comJun 2020 · $1.2M

PSD combines building science with software tools, engineering services, and training to help utility companies, program implementers, and building performance professionals design energy efficiency programs and achieve energy savings.

CleantechClimate TechEnergy

PERSIMIA LLCpersimia.comJun 2022 · $1.3M

Persimia builds custom autonomous aircraft (drones) and simulation software for aerospace and analysis applications, serving renewable energy developers and wildlife consultancies.

EnergyHardwareRobotics

PHASE III PHYSICS LLCphase3physics.comFeb 2023 · $206.4K

Phase III Physics provides scientific computing and advanced materials R&D infrastructure, delivering physics-informed models, neuromorphic and machine-learning analyses, thin-film coatings, and prototype systems.

AI & Machine LearningDeep TechNew Materials

PHASE SENSITIVE INNOVATIONS INCphasesensitiveinc.comJul 2019 · $200K

Phase Sensitive Innovations (PSI) designs, fabricates, and manufactures photonic devices — including high-speed photodiodes, Lithium Niobate phase modulators, and RF photonic systems — for integration into RF systems such as 5G wireless communication, RF-over-fiber, and phased array antennas.

Deep TechDefense TechHardware

PHASE3 PHOTOVOLTAICS INCphase3pv.comJul 2019 · $1.2M

Phase3 PV provides technical services to help clients design, assemble, transport, and install prefabricated solar-powered manufactured homes.

CleantechConstruction TechEnergy

PHOENIX ANALYSIS & DESIGN TECHNOLOGIES INCpadtinc.com

PADT provides numerical simulation, product development, and 3D printing products and services, working as an Ansys Elite Channel partner and reseller of Stratasys and EOS additive manufacturing technology.

Advanced ManufacturingDeep TechHardware

PHOSPHORTECH CORPORATIONphosphortech.comFeb 2012 · $3.7M

PhosphorTech develops and manufactures photonic materials and optoelectronic products, including LED phosphors, nanocrystals, color conversion films, phosphor sheets, scintillators, and NIR-enhanced lighting and IR/red light therapy devices.

Deep TechHardwareNew Materials

PHOTIA INCphotiatech.comJul 2018 · $150K
PHOTODIGM INCphotodigm.com

Photodigm designs and manufactures Distributed Bragg Reflector (DBR) laser diodes that deliver bench-top research laser performance in an application-specific semiconductor chip format, and offers on-site semiconductor packaging assembly for photonic chips.

Deep TechHardwareSemiconductors

PHOTON SCIENCES, INCORPORATEDphotonsciences.comJul 2018 · $350K

Dallas Quantum Devices and its subsidiary Photon Sciences design custom photonic and VCSEL laser solutions for demanding applications, using a network of outsource manufacturing partners.

Deep TechHardwareSemiconductorsDallas, US

PHOTOTHERMAL SPECTROSCOPY CORP.photothermal.comMay 2019 · $2.6M
Physical Optics Corporationpoc.comJun 2011 · $51.4M
PHYSICAL SCIENCES INC.psicorp.comFeb 2012 · $52M

Physical Sciences Inc.

Deep TechDefense TechNew Materials

Physics Mathphysics-math.comAug 2011 · $2.6M
PIASECKI AIRCRAFT CORPpiasecki.comJul 2023 · $199.9K

Piasecki Aircraft Corporation (PiAC) is a research and development firm that designs, fabricates, and flight tests experimental rotorcraft, VTOL aircraft, and unmanned air vehicles.

Deep TechDefense Tech

Picogridpicogrid.comin𝕏Jul 2023 · $191.3K

Picogrid provides software and edge computing networks to integrate heterogeneous sensors, drones, and autonomous systems for real-time command and control across defense and wildfire detection applications.

AI & Machine LearningDefense TechGovTechIoTRoboticsEl Segundo, US

Zane Mountcastle(Executive Officer, Director, Promoter)Martin Slosarik(Executive Officer, Director, Promoter)

BoardDavid Cowan(Director)

PICOYUNEpicoyune.comJun 2020 · $199.9K

Picoyune makes the MA-1, a portable mercury vapor analyzer that uses proprietary plasmonic sensors to give continuous, live readings and log worker exposure across a shift.

Deep TechHardwareIoT

Picturesensatek.cominJun 2020 · $249.1K
PIONEER ASTRONAUTICSpioneerastro.comJun 2020 · $1.4M
PIONEER ENERGY INCpioneerenergy.comJun 2021 · $249.8K

Pioneer Energy designs and manufactures cloud-enabled, modular hydrocarbon processing systems—including tankless oil production units, field gas conditioners, modular gas plants, NGL fractionators, and emission control valves—for oil and gas producers.

Pitch Aeronauticspitchaero.cominJul 2023 · $200K

Advanced ManufacturingCleantechClimate TechPropTechBoise, US

Zachary Adams(Chief Executive Officer)Ian Gibson(President)David Bennett(Director)

BoardPhilip A Bradley(Director)

PIXELEXX SYSTEMS, INCpixelexx.comJul 2019 · $2.7M
Pixelligentpixelligent.comNov 2012 · $4.1M

Pixelligent develops high-refractive-index zirconia and titania nanocrystal formulations and dispersions used in optical applications such as XR waveguides, diffractive optical elements, wafer-level optics, and OLED/MicroLED displays.

Deep TechHardwareNew MaterialsBaltimore, US

Craig Bandes(Executive Officer, Director)Tom Werthan(Executive Officer)Mudar Yahgi(Director)Gregory Cooper(Executive Officer, Director)Craig Mintz(Executive Officer)

BoardPeter Kirlin(Director)

PLANT SENSORY SYSTEMS, LLCplantsensorysystems.com

Plant Sensory Systems (PSS) develops agricultural traits aimed at improving crop yield, plant health, and nutritional value while reducing the use of land, water, fertilizer, and pesticides.

AgTechBiotech

Plasma Processes, LLCplasmapros.comAug 2011 · $14.5M

Plasma Processes is a materials science company that develops, manufactures, and coats engineered materials for use in extreme environments, offering processes such as plasma spray coatings, additive manufacturing, machining, and testing.

Defense TechNew MaterialsSpace TechHuntsville, US

PLC CONNECTIONSplcconnections.comFeb 2017 · $2.9M

PLC Connections designs and manufactures optical packaging components and tools for silicon photonics products, including fiber array units, in-plane coupling elements, transposers, trench probes, and PM/SM splitters.

Deep TechHardwareSemiconductors

POLARIS SENSOR TECHNOLOGIES INCpolarissensor.comJun 2012 · $998.4K
POLARON TECHNOLOGIES, INC.polaronanalytics.comFeb 2019 · $224.9K

Polaron Technologies (dba Polaron Analytics) is an SBA-certified 8(a) firm providing data analytics, computational modeling and simulation, and IT services including program management, cybersecurity, and training.

AI & Machine LearningData & InfrastructureGovTech

POLARONYX INCpolaronyx.comJun 2011 · $10.1M
Polestar Technologies, Inc.polestartech.comJun 2016 · $1.1M
POLLERE, INC.pollere.netFeb 2013 · $1M

Pollere is a consulting firm focused on network and technology architecture development, analysis, and review, along with risk identification and reduction.

CybersecurityData & InfrastructureEnterprise Software

POLYK TECHNOLOGIES LLCpiezopvdf.comFeb 2014 · $150K

An online store selling piezoelectric PVDF films, sensors, copolymer resins, and high-voltage piezo driver amplifiers for applications such as energy harvesting, elongation sensing, and ultrasound fingerprint sensing.

E-commerceHardwareNew Materials

POLYKALA TECHNOLOGIES LLCpolykalatech.comFeb 2021 · $1.6M

Polykala Technologies develops materials technologies for clean energy and water, including recycling-based production of rare earth metals and oxides, recovery of critical minerals such as copper, cobalt, nickel and noble metals from mine tailings, single-atom catalyst manufacturing, and PFAS-removal membranes, sorbents and filters.

CleantechClimate TechNew Materials

POLYMATERIALS APP, LLCpolymaterialsapp.comJun 2020 · $206.4K

PolyMaterials App is a technology company developing supercapacitor and energy-storage devices, including a hybrid supercapacitor called Poly-Scap.

Deep TechEnergyNew Materials

PORTABLE SOLAR INCna.comJul 2023 · $200K

North American Corporation is a distributor of janitorial and maintenance supplies, industrial packaging materials and equipment, and foodservice disposables, offering customized supply solutions to businesses.

Advanced ManufacturingLogistics & Supply Chain

POSPEA LLCpospea.comJun 2022 · $1.3M
POWDERMET INCpowdermetinc.comFeb 2012 · $5.3M

Powdermet provides toll processing services (CVD, milling, furnace, and other processing equipment) and contract R&D to help customers scale material processes from lab bench to pilot production.

Advanced ManufacturingDeep TechNew Materials

Power Fingerprintingpowerfingerprinting.comJun 2017 · $150K

Vienna, US

Gordon R. England(Director)Jeffrey Reed(Director)Joaquin J. Hangen(Director)James Cheng(Director)Steven C. Chen(Executive Officer, Director)

POWER INFO LLCpowerinfo.usJun 2011 · $2.1M

Develops standards-based software for the electric power industry, specializing in CIM-based power system modeling, model exchange, and external network modeling.

Data & InfrastructureEnergySaaS

POWERFILM INCpowerfilmsolar.com

PowerFilm designs and manufactures custom lightweight, rugged solar power solutions for transportation, defense, marine, IoT, and consumer applications, with in-house engineering and production.

CleantechEnergyHardware

Powers & Zahr, LLCpowers-zahr.comApr 2018 · $224.1K
PRECISION COMBUSTION, INC.precision-combustion.comJun 2011 · $19.6M

Precision Combustion, Inc.

CleantechClimate TechEnergy

PREMINON, LLCpreminon.comFeb 2017 · $212.8K
PRESCIENT WEATHER LTDprescientweather.comFeb 2014 · $1.5M

Prescient Weather provides weather and climate forecasting products, including the World Climate Service for sub-seasonal to seasonal forecasts and CropProphet, a statistical system forecasting U.S. crop yield and production from weather, satellite, and field survey data.

AgTechClimate TechData & Infrastructure

Prime Photonics, LCprimephotonics.comFeb 2015 · $449.5K
PRIME SOLUTIONS GROUP, INCORPORATEDpsg-inc.netFeb 2016 · $1.2M

Prime Solutions Group (PSG) is a professional engineering services company specializing in synthetic aperture radar (SAR) processing, big data analytics, and Intelligence, Surveillance and Reconnaissance (ISR) systems engineering.

AI & Machine LearningDeep TechDefense Tech

Princeton Optronicsprincetonoptronics.comJun 2014 · $5.2M
Prisere Llcprisere.comJul 2018 · $149.9K

Prisere develops technology to help businesses build resilience against extreme hazards and disasters, and to expand access to insurance with premiums reduced for better risk practices.

Climate TechInsurTechSaaS

Donna Childs(Founder)

PRIXARC LLCprixarc.comApr 2018 · $2.1M
PRODUCT INNOVATION AND ENGINEERING LLCmopine.comFeb 2016 · $3.5M

Mopine develops hardware and software solutions for advanced manufacturing, including its MiniTensile product line.

Advanced ManufacturingDeep TechHardware

ProjectEconomicsprojecteconomics.netJun 2016 · $1.1M

Provides software and APIs for managing community renewable energy programs, including subscriber CRM, billing data integration, customer onboarding, and net metering credit allocation.

CleantechEnergySaaS

PROJEO CORPprojeoco.comJun 2020 · $199.8K
PROPORTIONAL TECHNOLOGIES, INC.proportionaltech.comFeb 2013 · $6.5M

Proportional Technologies (PTI) develops boron-coated straw detector technology as a replacement for Helium-3 in neutron detection.

Deep TechHardware

PROTECTION ENGINEERING CONSULTANTS LLCprotection-consultants.comFeb 2013 · $349.9K
Protium Company, Theprotium.aeroJun 2021 · $178K
Protochipsprotochips.comFeb 2023 · $1M

Morrisville, US

Michael Zapata, III(Director, Executive Officer)David P. Nackashi(Director, Executive Officer)John Damiano, Jr.(Director, Executive Officer)Steve Capps(Director)Rajeev Kulkarni(Director)

Proton Energy Systems, Inc.protonenergy.comAug 2011 · $7M
PseudolithICpseudolithic.comin𝕏Jun 2022 · $1.3M

Pseudolithic develops next-generation RFIC (radio-frequency integrated circuit) products, working in the RF semiconductor industry.

Deep TechHardwareSemiconductors

PUMPKINSEED TECHNOLOGIES INCsites.google.comApr 2018 · $150K
Pyrancopyranco.cominJul 2019 · $199.9K

Pyran produces 1,5 PDO (pentanediol), a 5-carbon diol made from renewable agricultural feedstocks using a proprietary chemical process, as an alternative to petroleum-derived diols.

Advanced ManufacturingAgTechCleantechNew MaterialsMadison, US

KEVIN BARNETT(CTO and Secretary)MELVIN L LUETKENS JR.(Chief Executive Officer)

BoardPETER CHIDYLLO(Director)ANDREW SHAFER(Director)WILLIAM BANHOLZER(Director)THIERRY CASIEZ(Director)

Q-CHEM INCq-chem.comFeb 2014 · $2.3M

Q-Chem develops quantum chemistry simulation software for predicting the structure, reactivity, properties, and spectra of molecules and materials.

Deep TechNew MaterialsSaaS

Q-FLEX INCqflexinc.comFeb 2021 · $1.3M

Qflex is a manufacturer of flexible printed circuit boards (flex PCBs), including highly complex multi-layer designs.

Advanced ManufacturingHardwareSpace TechFullerton, US

Q-PEAK, INCORPORATEDqpeak.comJun 2011 · $7.3M
Qcoefficient Incqcoefficient.comJul 2018 · $1.1M

QCoefficient offers EMeister MPC, software that uses the drywall and concrete of large commercial buildings as thermal energy storage to manage daily thermal load and cut cooling-season energy costs by around 30% without added equipment.

CleantechClimate TechEnergy

QM Powerqmpower.comJun 2011 · $300K

Lee'S Summit, US

Patrick J. Piper(Executive Officer, Director)Galen Hansen(Financial Controller of the Issuer)Mark Austin(Director)C. Joseph Flynn(Chief Technology Officer and Director of the Issuer)Boris Ryabov(Director)

QRONA TECHNOLOGIES LLCqronatech.comFeb 2020 · $600K
QUALITY SWITCH INCqualityswitch.comJul 2019 · $1.3M

Quality Switch designs and manufactures customized electrical switch solutions for the electrical industry, with expertise in switch applications for high current and high voltage.

Advanced ManufacturingEnergyHardware

QUALTECH SYSTEMS, INC.teamqsi.comJul 2019 · $206.3K

Qualtech Systems (QSI) develops the TEAMS suite of software for diagnostics, guided troubleshooting, and remote health monitoring to reduce equipment downtime and service costs.

AI & Machine LearningDeep TechSaaS

QUANTITATIVE BIOSCIENCES, INC.qbisci.comApr 2018 · $8.4M

Quantitative BioSciences Inc.

BiotechDeep TechHardware

QUANTUM APPLIED SCIENCE & RESEARCH INCquasarusa.com

QUASAR develops dry, through-hair EEG sensors and its Dry Sensor Interface (DSI) technology for high-fidelity psychophysiological data acquisition without gels or technicians.

HardwareHealthtechMedical Devices

Quantum Simulation Technologies, Inc.qsimulate.comFeb 2022 · $250K

Platform for high-throughput material property simulation based on quantum mechanics.

Cambridge, US

Toru Shiozaki(Executive Officer, Director)

BoardGuanhua Chen(Director)Garnet Chan(Director)

QUANTUM TECHNOLOGY SCIENCES, INC.qtsi.comJun 2015 · $1M

Quantum Technology Sciences, a Geospace brand, designs, manufactures, and sells seismic-acoustic geophysical systems that provide real-time situational awareness and detection of land, water, and air-based threats along borders and around critical infrastructure.

Deep TechDefense TechHardware

QUANTUM VENTURA INCquantumventura.comJul 2019 · $4.5M
Qubitekkqubitekk.comFeb 2019 · $1.9M

Vista, US

Dennis Duncan Earl(Executive Officer, Director)Stanley Ellis(Executive Officer, Director, Promoter)

QUEST RENEWABLES INCquestrenewables.comJul 2019 · $2.4M
QUESTEK INNOVATIONS LLCquestek.comJun 2011 · $13.1M

QuesTek develops alloys and provides materials design and engineering services using its ICMD materials design software and Materials by Design/ICME methodologies.

Advanced ManufacturingDeep TechNew Materials

QUICKFLEX INC.quickflex.com
Qunnectqunnect.incin𝕏Feb 2019 · $3.8M

Brooklyn, US

Mael Flament(Executive Officer, Director, Promoter)Mehdi Namazi(Executive Officer, Promoter)Noel L. Goddard(Executive Officer, Director)ANN MARIE SCHEIDT(MANAGER)YACOV SHAMASH(MANAGER)AVRIL COAKLEY(SECRETARY)

R H K TECHNOLOGY, INC.rhk-tech.comJun 2011 · $150K

RHK Technology designs and manufactures ultra-high vacuum scanning probe microscopy (SPM) instruments and control systems, including scanners, controllers, and ambient systems for atomic-scale imaging, manipulation, and nanofabrication.

Deep TechHardwareNew Materials

R-display & Lighting LLCr-displayandlighting.comJul 2019 · $200K

R-Display & Lighting (RDL) develops electronic materials for OLED displays and lighting, including high-efficiency blue emitter materials used as light sources in OLED panels.

Deep TechHardwareNew Materials

RADIABEAM TECHNOLOGIES, LLCradiabeam.comJun 2011 · $93.8M

RadiaBeam designs and manufactures particle accelerator components, linac systems, and complete E-beam and X-ray sources for applications including radiation therapy, cargo inspection, food sterilization, and scientific beamlines.

Advanced ManufacturingDeep TechHardware

Radiantradiantnuclear.comin𝕏Jun 2022 · $1.3M

Radiant Nuclear develops Kaleidos, a portable nuclear microreactor designed to replace diesel generators for remote locations and provide resilient backup power to hospitals, datacenters, and military installations.

Deep TechEnergyHardware

Doug Bernauer(Founder & CEO)

RADIASOFT LLCradiasoft.netFeb 2014 · $29.9M

RadiaSoft builds browser-based control and simulation systems for particle accelerators, including its Sirepo computer-aided engineering gateway that runs simulations on high-performance computing from a browser.

Cloud ComputingDeep TechSaaS

RADIATION DETECTION & IMAGING TECHNOLOGIES LLCradiationimaging.comMar 2016 · $1.1M

RDI develops precision radiation measurement tools and detectors for quality assurance, verification, and treatment planning in cancer radiotherapy, serving clinical professionals working with proton and heavy ion therapy.

HardwareHealthtechMedical Devices

RADIATION DETECTION TECHNOLOGIES, INC.radectech.comFeb 2013 · $6.7M

Radiation Detection Technologies designs and manufactures nuclear radiation detection equipment, including compact microstructured semiconductor neutron detectors (MSND) and radiation sensors that can be handheld, hands-free, or mounted on UAVs.

Deep TechHardwareSemiconductorsManhattan, US

RADIATION MONITORING DEVICES, INC.rmdinc.comJun 2011 · $141.7M

Radiation Monitoring Devices (RMD) develops radiation detection, high-speed imaging, nuclear instrumentation, and non-destructive test equipment, including scintillator materials for gamma-ray and neutron detection.

Deep TechHardwareNew Materials

Radiometrics Corporationradiometrics.com

Radiometrics builds weather decision support systems and atmospheric remote sensing instrumentation, including radar and sodar wind profilers, temperature/humidity/liquid profilers, and wind shear detection and launch weather support systems.

Climate TechDeep TechHardware

RADTRAN LLCradtran.comFeb 2020 · $194.5K

RadTran is a company specializing in the separation and concentration of critical radioisotopes, including radium-226 and radium-228, from uranium and thorium process streams.

BiotechDeep TechHealthtech

Saleem Drera(President & CEO)

Rayonixrayonix.comFeb 2017 · $8.9M

Rayonix designs and manufactures large-area X-ray detectors, including CCD mosaic detectors (MarCCD, SX165, MX series) and Manta hybrid pixel detectors, used at synchrotrons and home labs.

Deep TechHardwareNew Materials

RAYTUM PHOTONICS LLCraytum-photonics.comFeb 2017 · $6.1M
RCAM TECHNOLOGIES INCrcamtechnologies.comJun 2022 · $600K

RCAM Technologies develops 3D concrete printing (3DCP) technology to manufacture marine infrastructure locally and at scale, including anchoring systems for ocean energy installations.

Advanced ManufacturingCleantechEnergy

Rct Systems, Inc.rct-systems.comJun 2020 · $2.1M
REACTION 35 LLCreaction35.comFeb 2016 · $1.3M

Reaction35 develops proprietary chemical processes that recover and reuse valuable components from industrial waste streams, converting low-value waste into higher-value products.

Circular EconomyCleantechNew MaterialsSanta Barbara, US

REACTION ENGINEERING INTERNATIONALreaction-eng.comAug 2011 · $8.9M

Reaction Engineering International is an R&D consulting firm serving the defense and energy sectors, providing engineering and problem-solving services.

Deep TechDefense TechEnergy

REACTION SYSTEMS, INC.reactionsystemsllc.comFeb 2016 · $349.6K
REACTIVE INNOVATIONS, LLCreactive-innovations.comFeb 2014 · $4.6M
REAL-TIME INNOVATIONS, INC.rti.comFeb 2013 · $2.5M

RTI develops Connext, a real-time data streaming platform built on the Data Distribution Service (DDS) standard that connects sensors, devices, algorithms and cloud infrastructure into distributed intelligent and autonomous systems.

Data & InfrastructureIoTRobotics

Reboundrebound-tech.cominJun 2015 · $139.7K
REFINED IMAGING, LLCrefinedimagingllc.comApr 2018 · $149.8K

Refined Imaging develops X-ray grating interferometry technology that embeds a cyber-physical trust anchor into additively manufactured parts, using porosity-encoded identifiers and blockchain to establish provenance and detect counterfeit components for manufacturers.

Advanced ManufacturingCybersecurityDeep Tech

RELIACOAT TECHNOLOGIES, LLCreliacoat.comJun 2015 · $374.9K

ReliaCoat Technologies provides thermal spray coating services, including process optimization, troubleshooting, and development, along with in situ and ex situ coating property measurement sensors.

Defense TechHardwareNew Materials

RELOGIC RESEARCH, INC.relogicresearch.comFeb 2022 · $254.5K
REM CHEMICALS, INC.remchem.comJul 2023 · $198K
REMCOM INCremcom.comFeb 2017 · $202.9K

Remcom develops electromagnetic simulation and wireless propagation software for design engineers and EM professionals, with products including XFdtd, Wireless InSite, WaveFarer, and XGtd for antenna design, 5G MIMO, automotive radar, and RF propagation analysis.

Deep TechHardwareSaaS

RENASCENT ENERGY MANAGEMENT LLCrenascentenergy.usJun 2021 · $450K

Renascent Energy is a technology-focused energy company that uses patent-pending Enhanced Geothermal Systems (EGS) and thermal enhanced recovery methods to produce energy from existing, dormant, or depleted shale wells rather than drilling new ones.

CleantechClimate TechEnergyHouston, US

RenewCO2renewco2.cominFeb 2020 · $1.6M

RenewCO₂ develops an electrocatalytic carbon utilization technology (eCUT) that converts waste CO₂ from industrial emissions into chemicals and fuels using only water and electricity and a patented catalyst.

CleantechClimate TechNew MaterialsSomerset, US

Karin Calvinho(CTO)Anders Laursen(CEO)

BoardNeal Dikeman(Director)

RESCUE ROVER LLCalphabravo.ioFeb 2022 · $237K

AlphaBravo provides a Kubernetes management platform for air-gapped, disconnected, and classified networks, consisting of Ghost (FIPS 140-3 validated, signed, hardened container images), Pioneer (multi-distribution cluster deployment and Day 2 operations), Astronomer (multi-cluster fleet management), and Charlie (an on-prem AI operator with no external API calls).

Cloud ComputingCybersecurityDefense Tech

Resensys LLCresensys.comJun 2022 · $198K

Resensys develops SenSpot, an ultra low power wireless sensor network for remote structural health monitoring of bridges, tunnels, buildings, dams, and cranes.

Construction TechHardwareIoT

Reservoirreservoir.comJun 2011 · $20.9M

The smartest water heater for your home

RESILIENCE ANALYTICS LLCresilienceanalytics.comJul 2023 · $1.3M

Dara Systems provides cross-sector stress testing and structured decision analysis, using quantitative frameworks, network science, and agentic AI to model system interdependencies, identify failure points, and prioritize resilience investments.

AI & Machine LearningClimate TechEnterprise Software

Resilient Power Systemsresilientpower.cominJun 2021 · $1.3M

CleantechDecatur, US

RESILIENTGRID INCresilientgrid.comJun 2020 · $200K

ResilientGrid provides software for electric grid control room operators, integrating multiple data streams into a single view for system-wide situational awareness and linking operator desktops with control room video walls for real-time network monitoring.

EnergyEnterprise SoftwareSaaS

RESODYN CORPORATIONresodyn.comJun 2017 · $4.4M

Resodyn Corporation is a research and development company that engineers and manufactures technology products and provides engineering and manufacturing services, developing solutions through public grants (such as SBIR) and private R&D contracts.

Advanced ManufacturingDeep TechHardware

RESOLUTE MARINE ENERGY, INC.resolutemarine.comJun 2017 · $3.9M

Resolute Marine develops wave-powered technology, with operations spanning Boston, Ireland, Cape Verde, and South Africa.

CleantechClimate TechEnergyBoston, US

RESONO PRESSURE SYSTEMS, INC.resonopressuresystems.comJul 2018 · $150K

Resono Pressure Systems develops dynamic and unsteady pressure measurement solutions, including data acquisition hardware and software (Chronos), tubing characterization modeling software, and hardware-as-a-service rentals for wind tunnel and field test applications.

Advanced ManufacturingDeep TechHardware

RESONON, INC.resonon.comFeb 2015 · $3.3M

Resonon designs and builds integrated hardware and software hyperspectral imaging systems used in factories, laboratories, underwater, on the ground, in the air, and in low Earth orbit.

AI & Machine LearningDeep TechHardware

Resource Fiber LLCresource-fiber.comJul 2019 · $198.7K
RESPEC Company, LLCrespec.comJun 2014 · $2.9M

RESPEC is an engineering, applied sciences, and technology consulting firm that provides services across energy, environment, facilities, mining, water, transportation, land development, and solid waste, along with data and technology solutions.

CleantechData & InfrastructureEnergy

RIDGETOP GROUP INCridgetopgroup.comJun 2011 · $3.3M

Ridgetop Group develops battery health modeling and prognostic health management software and IoT sensor systems, including tools for battery aging simulation, remaining useful life estimation, and condition-based maintenance of critical equipment.

CleantechDeep TechIoT

RIKARBON INCrikarbon.comJul 2018 · $4.1M
RIVER CONNECTIVITY SOLUTIONS LLCriverconnectivitysystems.comJun 2022 · $413K

River Connectivity Systems develops adaptive water infrastructure technologies for managing water quality, temperature, and dissolved oxygen in stratified reservoirs and dams.

CleantechEnergyHardware

RJ LEE GROUP INCrjlg.com

RJ Lee Group is a scientific consulting firm and industrial forensics laboratory that provides materials and environmental testing, including petrographic analysis, chemical testing, and expert witness services.

CleantechDeep TechNew Materials

RMCI, INCrmci-inc.comJun 2015 · $154.8K
RNET TECHNOLOGIES INCrnet-tech.comAug 2011 · $12.7M

RNET develops high-performance computing, scientific AI, and high-fidelity physics modeling tools, including reduced-order modeling frameworks, streaming AI pipelines, and data analytics platforms for extreme-scale scientific and engineering workloads.

AI & Machine LearningCloud ComputingDeep Tech

ROBOT NOSE CORProbotnose.netFeb 2019 · $2.9M

Robot Nose Corporation develops and manufactures gas-composition sensors designed to detect traces of toxic chemicals, pollutants, fuels, and biomarkers.

Deep TechHardware

ROCHESTER SCIENTIFIC LLCrochesterscientific.comFeb 2022 · $200K
ROCKETRUCK INCrocketruck.comJun 2022 · $1.8M
Rocky Researchrockyresearch.com

Rocky Research is an engineering firm that designs, prototypes, and tests thermal management products such as heating, cooling, and refrigeration systems for commercial, industrial, and defense applications.

Deep TechDefense TechHardware

ROI Engineering LLCroi-engineering.netJun 2020 · $198.8K

ROI Engineering LLC provides control system integration engineering, consulting, and technical services, including PLC programming, SCADA/HMI development, and turnkey automation projects for manufacturing and industrial clients across various market sectors.

Advanced ManufacturingEnterprise SoftwareHardware

Rolling Energy Resourcesrollingenergyresources.comJun 2022 · $200K

Boulder, US

Scott Dimetrosky(Founder)Jon Koliner(Founder)

Rrtcrrtc-tech.comFeb 2017 · $155K

Belle Mead, US

Swee Lian Woo(Director)David H. Wells(Director)Ming Woo(Director)Richard E. Riman(Executive Officer, Director)

Rute Foundation Systems, Incorportedrutefoundations.comJun 2021 · $200K

RUTE produces and delivers structural foundation systems for the wind and solar energy industries, aimed at lowering the cost of clean electricity and reducing CO2 emissions.

CleantechClimate TechEnergy

Safi Techsafi-tech.comJun 2020 · $400K
SAHT ENERGY LLCsahtenergy.comJun 2020 · $1.3M
Samraksh Company, Thesamraksh.comFeb 2012 · $1.3M
SANDBOX SEMICONDUCTOR INCORPORATEDsandboxsemiconductor.comApr 2018 · $224.7K

SandBox Semiconductor builds physics-based AI and machine-learning models trained on a fab's own etch, deposition, and metrology data to optimize process recipes to critical-dimension targets in fewer experimental runs.

AI & Machine LearningDeep TechSemiconductors

Sasyasasyabio.comFeb 2016 · $150K

St. Paul, US

Goutham Vemuri(Executive Officer, Director)

SAVENGY TECHNOLOGIES LLCsavengy.comJun 2016 · $550K

Savengy Technologies develops and delivers solutions for desalination and distillation technologies, focusing on environmentally friendly products for conserving energy, generating renewable energy, and recycling resources.

CleantechClimate TechEnergy

SC SOLUTIONS, INC.scsolutions.comFeb 2016 · $2.1M

SC Solutions provides custom process control, physics-based modeling, and structural engineering services for the semiconductor, advanced materials, energy, aerospace, and defense industries.

Construction TechDeep TechSemiconductorsSunnyvale, US

Gregory Loy(Co-founder & former CEO/President, Chairman of the Board)Chris Larsen(Chief Executive Officer & President)

SCIENTIFIC SYSTEMS CO INCssci.com

Scientific Systems develops AI-powered autonomy technology for defense applications, serving U.S. government, aerospace, and defense organizations.

AI & Machine LearningDefense TechRoboticsBurlington, US

SCION PLASMA LLCscionplasma.comJul 2023 · $250K

Scion Plasma develops plasma technologies including broad-beam ion sources, magnetron sputtering cathodes, and related accessories for large-area coating, PVD/CVD, and thin-film applications.

Deep TechHardwareNew Materials

Scuba Probe Technologies LLCscubaprobe.comFeb 2015 · $2.1M
SEACOAST SCIENCE, INC.seacoastscience.com

Seacoast Science develops chemical sensors and gas detection devices based on patented MEMS microsensor technology for markets including leak detection, military, homeland security, air quality monitoring, and emission gas detection.

Deep TechHardwareIoTCarlsbad, US

SEALED OPTICS COMPANYsealedoptics.comJul 2019 · $199.7K

Sealed Optics makes ruggedized extended-range ultra-high-vacuum (UHV) viewports with safety shields, offered in window materials such as calcium fluoride, magnesium fluoride, zinc selenide, and fused silica.

Deep TechHardwareNew Materials

SECMATION LLCsecmation.comJul 2019 · $199.9K

Secmation develops AI-enabled RF and cyber/electronic-warfare analysis tools, a U.S.-developed trusted execution environment for embedded security, and digital-engineering pipelines with automated compliance artifacts.

AI & Machine LearningCybersecurityDefense Tech

Semantic Designs Incsemanticdesigns.comJun 2011 · $1.1M
SEMPLASTICS EHC LLCsemplastics.comJul 2018 · $4.5M
SENSANNA INC.sensanna.comJun 2021 · $200K
Sensintel Inc.sensintel.com
SENSOR CREATIONS, INC.sensorcreations.comJun 2015 · $1.6M
SENSORCOMM TECHNOLOGIES INCsensorcommtech.comJul 2023 · $250K
SENTAR, INC.sentar.comJul 2023 · $199.9K

Sentar is a technology and services company that supports government and defense-related customers, with a workforce that includes a significant proportion of military veterans.

CybersecurityDefense Tech

Bridget McCaleb(Catalyst and CEO)

SENTIENT SCIENCE CORPORATIONsentientscience.comFeb 2015 · $2.3M

Sentient Science develops DigitalClone, physics-based predictive modeling software that forecasts component fatigue, failure timing, and maintenance needs for critical systems.

Advanced ManufacturingAI & Machine LearningDeep Tech

Sepionsepiontechnologies.cominMar 2016 · $1.1M

Sepion develops advanced polymer separator technology for batteries and other applications including water separation and materials recovery.

CleantechDeep TechEnergyNew MaterialsSilicon Valley, US

Peter Frischmann(CEO & Co-Founder)Brett Helms(CSO & Co-Founder)Randy Chan(Director)

SEQUENT LOGIC LLCsequentlogic.comJun 2020 · $619.5K

Sequent Logic designs custom RF and mixed-signal electronics along with signal acquisition, DSP, and waveform synthesis solutions supporting ultra-wide bandwidths and high throughput.

Deep TechHardwareSemiconductors

Shear Form Incshearform.comJun 2011 · $4.8M
Shift Thermalshiftthermal.cominJun 2020 · $1.3M
SIENNA TECHNOLOGIES, INC.siennatech.comJun 2011 · $3.9M

Sienna Technologies is a developer and vertically integrated manufacturer of high-technology ceramic components and materials, including high thermal conductivity aluminum nitride components and AlN-based microwave absorbers.

Advanced ManufacturingHardwareNew Materials

SIGMA TECHNOLOGIES INTERNATIONAL GROUP, INC.sigmalabs.comFeb 2013 · $3.3M

Sigma Labs develops advanced materials and material composites, including thermal management insulation, fibrous and porous materials for filtration and apparel, moisture and oxygen barrier films for flexible packaging and electronics, vacuum metallized effect pigments, and sub-micron dielectrics for film capacitors.

Advanced ManufacturingEnergyNew Materials

SIGRAY, INC.sigray.comMar 2016 · $3.2M

Sigray builds laboratory x-ray instruments — including x-ray microscopy, micro x-ray fluorescence, and x-ray absorption spectroscopy systems — that deliver synchrotron-like performance for analyzing microstructure, chemistry, and composition.

Deep TechHardwareNew Materials

SILICON AUDIO RF CIRCULATOR LLCsiaudio.comJun 2015 · $2M

Silicon Audio builds interferometer-based optical seismometers with ultra-low noise, omnitilt sensors that operate in harsh environments from the seafloor to the lunar surface.

Climate TechDeep TechHardware

SIMMETRIX, INC.simmetrix.comJun 2011 · $7.4M

Simmetrix develops the Simulation Modeling Suite, a set of C++ libraries that can be embedded into applications to provide automatic mesh generation and simulation modeling for general non-manifold geometries, with capabilities including surface, volume, boundary layer, extrusion, and higher-order curved meshing.

Advanced ManufacturingDeep TechEnterprise Software

SIMONPIETRI ENTERPRISES LLCsimonpietri.comJun 2021 · $1.8M

Simonpietri Enterprises is a Hawaii-based, woman-owned company that develops and designs renewable fuel manufacturing and waste-to-energy projects, converting construction, demolition, and organic waste into renewable jet fuel, clean hydrogen, fertilizer, and energy.

Circular EconomyCleantechEnergy

Joelle Simonpietri(President)

Sinmat Incsinmat.comJun 2011 · $4.1M
SIXPOINT MATERIALS, INC.spmaterials.comJun 2015 · $3.5M
SK Infrared LLCskinfrared.comFeb 2020 · $200K
SKULD LLCskuldllc.comJul 2019 · $200K

Skuld LLC develops metal casting technology, using a lost foam casting process to produce high-strength ductile iron parts with thinner walls, tighter tolerances, and lower tooling costs.

Advanced ManufacturingHardwareNew Materials

SKYHAVEN SYSTEMS, LLCskyhavensystems.comApr 2018 · $5.3M

Skyhaven Systems develops electrochemical products and technologies for the energy, defense, aerospace, and environmental markets, including water disinfection systems, quality control sensors, and CO2 processing and removal systems.

CleantechDeep TechDefense Tech

Skymantics, LLCskymantics.comApr 2018 · $193.4K

Skymantics builds production-grade platforms that combine applied AI with federal domain expertise to modernize critical infrastructure and legacy government systems, including AI-driven data analytics and synthetic data generation.

AI & Machine LearningData & InfrastructureGovTechMelbourne, US

SKYNANO LLCskynanotechnologies.comJun 2020 · $450K

SkyNano develops an electrochemical technology that captures CO₂ from industrial by-products and converts it into solid carbon nanomaterials such as carbon nanotubes and battery-grade graphite at low cost.

CleantechClimate TechNew Materials

Skyreskyre-inc.comJun 2011 · $2.7M

SKYRE develops and manufactures electrochemical systems for hydrogen recovery and CO₂ conversion, including its H2RENEW gas separation and compression platform that produces high-purity recycled hydrogen and its CO2RENEW system that converts waste carbon dioxide into fuels and commodity chemicals.

Advanced ManufacturingCleantechEnergyHardwareEast Hartford, US

Trent Molter(Executive Officer)

SKYSUN LLCskysunsolar.comJul 2019 · $186.2K

Skysun designs solar pergolas and structures that provide both shade and power for homes, businesses, and farms, using a mounting method that keeps panels off the roof while retaining roughly 90% efficiency.

AgTechCleantechEnergy

SMART INFORMATION FLOW TECHNOLOGIES LLCsift.netJul 2018 · $145.3K

Smart Information Flow Technologies (SIFT) is a research and development consulting company working in natural language processing, automated planning, cybersecurity, supervisory control, healthcare, and human-automation interaction.

AI & Machine LearningCybersecurityDeep TechMinneapolis, US

SMARTVILLE INCsmartville.ioJun 2022 · $1.3M

Smartville designs and deploys containerized battery energy storage systems (BESS) built from validated second-life EV batteries, with a cell-level energy management system for monitoring and dispatch.

Circular EconomyCleantechEnergy

SNAKE CREEK LASERS LLCsnakecreeklasers.comJun 2011 · $150K
Sofie Biosciencessofiebio.comJun 2011 · $1.1M

BiotechCulver City, US

Carl W. McKinzie(Director)Michael Phelps(Director)Johannes Czernin(Director)Roy Doumani(Director)Stan Berman(Executive Officer)Patrick Phelps(Executive Officer, Director)

SOL-GO, INC.sol-go.comJun 2022 · $1.3M

Sol-Go designs flexible, lightweight solar panels built for rugged, off-grid and mobile applications such as trucks, RVs, boats, excavators, and military vehicles.

CleantechEnergyHardware

SOLAR DYNAMICS LLCsolardynllc.comJun 2021 · $2.7M

Solar Dynamics, LLC develops products and services for concentrating solar energy, using engineering tools and design expertise.

CleantechDeep TechEnergyDenver, US

SOLAR SEED INCsolarseed.energyJun 2021 · $131K

SolarSEED Energy builds affordable, modular solar power systems using patented multi-modal technology that works with any photovoltaic module and various storage devices to generate DC and AC electricity for charging, lighting, tools, and appliances.

CleantechEnergyImpact & Social Good

SOLARNO INCsolarno.comFeb 2013 · $1.1M
SOLICULTURE, INC.soliculture.comJul 2019 · $199.9K
Solid Cell Inc.solidcell.comFeb 2016 · $150K
SOLUTION DEPOSITION SYSTEMS, INC.solutiondepositionsystems.comApr 2018 · $150K
SOLUTION SPRAY TECHNOLOGIES LLCsolutionspray.comJun 2016 · $1.5M

Solution Spray Technologies (SST) provides small-volume ceramic coating services and ceramic coating/membrane development using plasma spray processes.

Advanced ManufacturingDeep TechNew Materials

SOLVE TECHNOLOGY AND RESEARCH, INCsolve-global.comJun 2020 · $850K
Solvewithviasolvewithvia.comin𝕏Jul 2023 · $200K

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.