National Science Foundation — Full Portfolio
2,317 tracked investments · page 10 of 12 · listed companies and verified rows first
Savage Medical is developing a solution aimed at improving care for patients undergoing colorectal surgery.
HealthtechMedical Devices
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 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)
sciartsoft is a technical research and writing site covering topology optimization, generative design, and multi-objective optimization for engineers, researchers, and design teams.
Advanced ManufacturingDeep TechMedia & EntertainmentMadison, US
Yadav Praveen(Executive Officer, Director)Karen E Caswelch(Executive Officer, Director)
Co-investorsTechstars
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 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
Sciperio is a research and development firm with scientists across mechanical, electrical, chemical, and biological disciplines working on advanced technology projects.
Deep Tech
Brooklyn, US
Sean Rife(Director)Josh Nicholson(Executive Officer, Director)Milo Mordaunt(Director)
Screen360.tv is a subscription-based distance-learning platform that curates international films for K-12 and film education, using foreign films aligned to school curricula (IB, AP, Common Core) to build empathy, language, geography, and cross-cultural understanding among children.
EdTechMedia & EntertainmentSaaS
Catherine (Katy) Kavanaugh(Founder)
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
Seaflight develops autonomous electric drones and aircraft with advanced aerodynamic technology for cargo logistics and defense applications.
Advanced ManufacturingAI & Machine LearningClimate TechDefense TechEnergyHardwareLogistics & Supply ChainRoboticsSpace TechCarson, US
Graham Doig(Co-founder)inWill Sutton(Founder)
Co-investorsY Combinator7percent Ventures
SeaSats develops autonomous maritime vessels ("Lightfish" and "Quickfish") for ocean surveillance, intelligence gathering, and domain awareness.
Defense TechIoTRoboticsSan Diego, US
Co-investorsDns CapitalHemisphere Ventures LLCIceNineKonvoy VenturesMonozukuri VenturesRed Beard Ventures+4 more
Seaspire develops safe and sustainable suncare and skincare products using Xanthochrome®, a proprietary class of biomolecules inspired by oceanic compounds.
Advanced ManufacturingBiotechConsumerDirect to ConsumerWellness & FitnessCambridge, US
Camille A. Martin(CEO and co-founder)Leila Deravi(Co-founder and scientific advisor)
Co-investorsHuntington Angels NetworkMassVenturesSafar PartnersTechstarsThe Engine VenturesAlumni Ventures
Secure Food Solutions (SFS) develops technology to detect and remove dangerous pathogens from global food supply chains, including a UV-based imaging device that lets farm families screen maize for aflatoxin contamination.
AgTechFoodTechHardwareImpact & Social GoodMartin, US
Chris Ramezanpour(Executive Officer, Director)Andrew Jordan(Executive Officer, Director)John Cole(Executive Officer, Director)
BoardDean Didato(Executive Officer, Director)
Co-investorsAgLaunch AcceleratorInnova Memphis, Inc.
Veridify Security provides device-level cybersecurity for operational technology (OT) and IoT devices, using its DOME platform to deliver zero trust authentication, encryption, and real-time attack prevention for automation control devices.
Construction TechCybersecurityIoT
Co-investorsMI Ventures
HealthtechOrlando, US
Olusegun J. Ilegbusi(Member of the Board of Managers of Issuer)Anand P. Santhanam(Member of the Board of Managers of Issuer)Todd Andersen-Davis(Director)Anand Santhanam(Director)Peter Osemobor(Director)Rodney W. Bosley, Jr.(Executive Officer, Director)
Semandex Networks develops semantic software that correlates structured and unstructured multi-source data using AI, machine learning, computer vision, and graph analytics to uncover non-obvious connections between people, places, and events.
AI & Machine LearningData & InfrastructureDefense Tech
Co-investorsLeonis Capital
Durham, US
JOHN ROGERS(Executive Officer, Director)JOSEPH CARR(Executive Officer, Director)HELENA YEE(Executive Officer)JACK BARRY(Executive Officer)
BoardGREG WOLF(Director)CLINTON BYBEE(Director)in
Co-investorsARCH Venture Partners
Sensatek develops battery-free passive RF sensors and high-temperature interrogation antennas that wirelessly measure strain and temperature on rotating turbomachinery components such as turbine blades, shafts, and rotors without slip rings or wiring.
Deep TechHardwareIoTDaytona Beach, US
Co-investorsBeresford VenturesCloquet Capital Partners, LLCRhapsody Venture Partners
Sense Neuro Diagnostics is developing non-invasive technology to rapidly detect stroke subtype and traumatic brain injury and to continuously monitor brain injury, producing a scan in 2.5 seconds that analyzes the entire cranial vault.
Deep TechHealthtechMedical Devices
George "Chip" Shaw(Co-founder)
Co-investorsAngel Physicians Fund
SenSigma develops a Smart Optical Monitoring System (SOMS) that uses spectroscopy and machine-learning software to provide real-time sensing, defect detection, and quality control for arc and laser welding and additive manufacturing processes.
Advanced ManufacturingAI & Machine LearningHardwareAnn Arbor, US
Sensimetrics Corporation performs research, development, and consulting in human communication, focusing on speech, hearing, acoustics, and digital signal processing.
Deep TechHardwareHealthtech
Sensit Ventures develops and sells custom miniaturized MEMS chemical sensors that detect specific chemicals in the air and transmit data wirelessly.
AgTechDeep TechHardware
Tom Turpen(President & CEO)in
Sensor Development Corporation develops sensor-based systems for real-time insect detection and breath analysis.
AgTechDeep TechHardware
Co-investorsElevate Ventures
Sensulin is a preclinical biopharmaceutical company developing glucose-responsive insulin therapies for type 1 and type 2 diabetes that aim to reduce hypoglycemia risk and daily injection requirements.
BiotechMedical Devices
Dan Bradbury(Executive Chairman and Co-Founder)inMike Moradi(CEO)in
BoardAnanth AnnapragadainChristopher Rhodesin
Co-investorsBioBritCortado Ventures
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 develops DigitalClone, physics-based predictive modeling software that forecasts component fatigue, failure timing, and maintenance needs for critical systems.
Advanced ManufacturingAI & Machine LearningDeep Tech
Seattle, US
Nirav Shah(Executive Officer, Director)Clifford Fonner(Executive Officer)Jorge Sanchez(Executive Officer, Director)
BoardT.A. McCann(Director)
BiotechPalm Beach Gardens, US
David Krasne(Executive Officer, Director)Peng Cheng(Director)
BoardJonathan Diamond(Director)
Sepragen Corporation manufactures chromatography columns, including large-scale units ranging from 10 to 200 liters, along with related startup and maintenance support for purification processes.
Advanced ManufacturingBiotechHardwareUnion City, US
Vinit Saxena(Executive Officer)
Sequoia Scientific builds instruments and sensors for measuring and characterizing particles in water, including laser diffraction (LISST) instruments, hyperspectral absorption and backscatter sensors, and radiative transfer models used in oceanographic and aquatic research.
CleantechDeep TechHardware
Serinus Labs develops ultra-low power gas sensors using proprietary technology that can detect multiple gases at trace levels simultaneously.
CleantechDeep TechHardware
Co-investorsTaiwan Global Angels
Serotiny designs cell therapies using custom software and lab techniques that allow it to design and test up to 10,000 therapeutic genes at once, aiming to speed up the discovery of treatments for cancers such as multiple myeloma, prostate cancer and lung cancer.
AI & Machine LearningBiotechHealthtechSan Francisco, US
Justin Farlow(Co-founder)Colin Farlow(Co-founder)
Co-investors+ND Capital
Shared Spectrum Company develops dynamic spectrum access, spectrum sharing, and situational awareness technologies for reliable wireless communications in challenging RF environments.
Deep TechDefense TechHardware
Co-investorsBlue Delta Capital
Shark Wheel designs and sells square-profile skateboard and longboard wheels that use a sine-wave groove pattern for reduced friction, traction over varied terrain, and slide control.
ConsumerHardwareSports Tech
Shift Thermal develops FLEX Thermal Storage technology for building HVAC systems, aimed at reducing greenhouse gas emissions from heating and cooling.
CleantechClimate TechEnergy
Co-investorsClean Energy VentureMarket Square Ventures
ShineFusion develops fusion energy technology, pursuing a step-by-step commercialization approach that generates revenue from intermediate applications to fund progress toward clean fusion power.
CleantechDeep TechEnergy
Co-investorsKoch Disruptive TechnologiesNucleation CapitalNV NOM
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 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
Signal Processing Technologies (SPT) develops signal processing solutions across communications, spectrum sensing, radio frequency machine learning, sensor fusion, position/navigation/timing, and software defined radios.
AI & Machine LearningDeep TechDefense Tech
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
Sila Nanotechnologies engineers next-generation battery materials, particularly silicon anodes, for use in electric vehicles, wearables, and other energy-intensive applications.
Deep TechEnergyHardwareNew MaterialsSan Jose, US
Gleb Yushin(Co-Founder & CTO)Gene Berdichevsky(Executive Officer, Director)O. Abbey Omokhodion(Executive Officer)Warren DeSouza(Executive Officer)
BoardMichael L. Speiser(Director)inByron Deeter(Director)in
Co-investors8VCBessemer Venture PartnersCongruent VenturesFoothill VenturesIn-Q-TelMatrix+4 more
Silicon Assurance develops Analyz-N, an electronic design automation (EDA) platform for gate-level hardware security verification and trust assurance.
CybersecurityDeep TechSemiconductors
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
Silpara Technologies is a materials science company that has patented a family of additives, including a nanocomposite that reinforces the bond between natural rubber and silica.
Advanced ManufacturingCleantechNew MaterialsDecatur, US
Sensible Solutions develops lithium-based thermal neutron detection systems, including large-area detectors for scalable deployments.
Deep TechDefense TechHardware
Simbex is a product development and commercialization partner for medical devices and consumer health products, offering engineering, product design, software, and data analytics alongside services such as regulatory strategy, reimbursement, and market assessment.
Digital HealthHardwareMedical Devices
Boulder, US
Krista Marks(President and Chief Executive Officer)Sean Kelly(Secretary and Vice President of Engineering)Tom Fischaber(Treasurer and Vice President of Operations)Brent Milne(Vice President of Research)Jeff Ward(Vice President of Product)
BoardJason Mendelson(Director)
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
SiMPore develops and manufactures freely suspended silicon nanomembrane products, including porous membrane chips, electron microscopy grids, x-ray windows, and filters.
BiotechDeep TechNew Materials
SIPPA Solutions builds patient-facing technology that lets individuals securely exchange, consolidate, and manage their personal health data using biometric encryption, turning it into actionable self-management plans.
CybersecurityDigital HealthHealthtech
SiTration develops silicon-based electro-extraction (SEE) and nano-filtration (SNF) technologies that recover metals and critical minerals from mining waste, leachate, and recycled material using electricity and no added chemicals.
CleantechDeep TechNew MaterialsCambridge, US
Brendan Smith(Executive Officer, Director)Jeffrey Grossman(Director)
BoardJacob Bro(Director)inMatthew Nordan(Director)in
Co-investorsAzolla VenturesCarbonThe E14 FundWorking Capital FundExtantia Capital
SixLine Semiconductor develops carbon nanotube processing and deposition methods to produce semiconductor-grade materials for high-performance, lower-cost semiconductor devices.
Deep TechNew MaterialsSemiconductors
Skip Technology builds a long-duration energy storage (LDES) battery that stores renewable power and can discharge at full output for tens of hours.
CleantechClimate TechEnergy
Skroot Lab develops sensor technology for contact-free, real-time monitoring of cell growth.
BiotechDeep TechHardware
SkyCool develops radiative cooling products, including roof coatings and panels, that passively send waste heat to space without compressors, fans, or refrigerants, reducing HVAC and refrigeration energy use.
CleantechEnergyNew Materials
Aaswath Raman
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
Houston, US
Ryan Guerra(Executive Officer, Director)Clayton Shepard(Executive Officer, Director)
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
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)
SkySpecs provides data management and analytics software for renewable energy asset operators, helping them optimize maintenance and operational decisions for wind and solar installations.
AI & Machine LearningCleantechClimate TechEnergySaaSAnn Arbor, US
Daniel Ellis(President and CEO)David Roberts(CEO)Thomas Brady(CFO)Ryan Morton(Chief Technology Officer)Samuel DeBruin(Chief Operational Officer)Patrick Senatore(Director of Engineering)
Co-investorsCapital Midwest FundDakota Venture GroupEvergy VenturesHuron River VenturesID VenturesInvest Michigan+5 more
Skyven builds the Arcturus line of high-temperature industrial heat pumps that recover waste heat and convert it into boiler-quality steam for manufacturing facilities.
Advanced ManufacturingCleantechEnergyFarmers Branch, US
Slooh operates a platform offering live, remote-telescope experiences that let users observe the night sky and learn astronomy.
ConsumerEdTechSpace Tech
Michael Paolucci(Founder & CEO)Dr. Emma Cain Louden(President)Paul Cox(EVP, Platform)Todd Reisel(VP, Engineering & Cybersecurity)Jun Simmons(Creative Director)
Co-investorsConnecticut Innovations
Silas is an education platform offering interactive learning tools, customizable curricula, and animation/movie-making features to build social-emotional skills, executive functioning, and vocational readiness.
EdTechHealthtechSaaS
Ingenia Learning (formerly Smart Girls HQ) designs career-connected STEM learning experiences—digital tools, curriculum kits, experiential spaces, and custom workforce programs—for K–12 students, educators, and families.
EdTech
Smart Material Solutions develops large-area nanomanufacturing technology, including seamless cylindrical molds for roll-to-roll nanopatterning (nanoimprint lithography).
Advanced ManufacturingDeep TechNew Materials
Smart Walls develops permanently installed, deployable flood-protection walls that use telescopic "boxes inside boxes" technology and advanced thin materials to form temporary structural barriers only when flooding occurs.
CleantechConstruction TechHardwareAmherst, US
My Degree Guide is an online resource that publishes guides and comparison tools to help students find accredited, online, and accelerated degree programs at the associate, bachelor's, master's, and doctorate levels.
EdTechMedia & Entertainment
Joy Miller(Editorial Director)
Soctera develops nitride semiconductor power amplifiers that use a thinner semiconductor stack to deliver higher power density and lower operating temperatures for 5G telecom, SATCOM, and radar systems.
Deep TechHardwareSemiconductorsIthaca, US
Austin Hickman(Co-Founder & CEO)Reet Chaudhuri(Co-Founder & CTO)Debdeep Jena(Co-Founder & Advisor)Grace Xing(Co-Founder & Advisor)
Co-investorsMultiball CapitalRed Bear Ventures
Sunnyvale, US
John Bannon(Director)Gordon Hunter(Director)Shvetank Jain(Director)Ryan Morris(Executive Officer, Director)Mark Johnston(Executive Officer, Director)
Co-investorsFifth Wall
The page presents data on the decline of Florida citrus yields driven by HLB (citrus greening) disease and the rising costs of managing it, but does not clearly describe a specific product or service the company offers.
AgTechTampa, US
Yianni Lagos(Executive Officer)inChana Cannon(Executive Officer)
Somerville, US
Roger Diebold(Executive Officer, Director)Samuel Shian(Director)
BoardJohn Ho(Director)inDavid Seldin(Director)
Co-investorsAnzu Partners
SolePower embeds low-power sensors such as GPS, RFID, and IMUs into OSHA-approved work boots to monitor real-time location, status, and environmental conditions, sending the data to a cloud dashboard for situational awareness.
Defense TechHardwareIoT
Albion, US
Steve Heckeroth(Executive Officer, Director)Nishi Deokule(Executive Officer, Director)Cristiane Heckeroth(Executive Officer)Heather Paulsen(Director)Willard MacDonald(Director)Keith Byers(Director)
Solestial develops and manufactures radiation-hardened silicon solar power modules for satellites and space applications.
CleantechDeep TechEnergyHardwareSpace TechTempe, US
Stan Herasimenka(CTO and Co-Founder)inMikhail Reginevich(Chief Engineer, Tooling and R&D; and Co-Founder)inAndrew Atherton(Executive Officer, Director, Promoter)
BoardBeckett Jackson(Director)Mathieu Costes(Director)
Co-investorsBoeing HorizonX VenturesCrosscut VenturesGlobal BrainIndustrious VenturesTechstarsSilent Ventures
Solution Spray Technologies (SST) provides small-volume ceramic coating services and ceramic coating/membrane development using plasma spray processes.
Advanced ManufacturingDeep TechNew Materials
Solvus Global develops, incubates, and scales enterprise solutions for challenges in materials and manufacturing, building technology across core verticals in sustainable materials and manufacturing.
Advanced ManufacturingDeep TechNew Materials
Co-investorsAbstract VenturesAmplify PartnersMaterial Impact
Oakland, US
Rupa Chandra Gupta(Executive Officer, Director)Dennis Li(Executive Officer, Director)
Co-investorsImagine K12Top Corner CapitalScout Fund
Space Foundry develops plasma jet printing technology that deposits conductive and dielectric electronic materials directly onto planar and complex 3D surfaces in a single dry-process step.
Advanced ManufacturingHardwareSpace TechSan Jose, US
Co-investorsArgon Ventures
Speak Agent offers a supplemental digital program with interactive "Content + Language" lessons designed to make existing math and science curriculum more engaging and effective.
EdTech
Spectradyne Particle Analysis builds nanoparticle analyzers using patented microfluidic resistive pulse sensing (MRPS) technology to measure the size and absolute concentration of individual particles in a formulation, with a flagship instrument that adds single-particle fluorescence phenotyping.
BiotechDeep TechHardware
BiotechDallas, US
J. Michael DiMaio(Executive Officer, Director)John H, Stevens(Director)Erich Spangenberg(Director)
Co-investorsCalculus Capital Ltd.
Spectrum Scientific, Inc.
Advanced ManufacturingDeep TechHardware
Chengdu Spekciton Biology Co., Ltd. is a China-based manufacturer of cosmetic raw materials, including active ingredients, botanical extracts, peptides, moisturizing agents, and fermentation-derived actives for skincare, haircare, and beauty products.
BiotechConsumerNew MaterialsChengdu, CN
Spero Renewables develops chemical technologies that convert plant-based biomass, particularly lignin, into renewable thermoset plastics and polymers as alternatives to petroleum-based products.
Circular EconomyCleantechNew Materials
Designs and manufactures interlocking masonry concrete block systems, including roofing systems that create a full masonry building envelope for fire, hurricane, and tornado resistance.
Construction TechHardwareNew MaterialsAlfred Station, US
Peter Roberts(Executive Officer, Director, Promoter)
Spheryx develops Total Holographic Characterization technology for analyzing suspensions at the sub-visible particle level, including detecting protein aggregates and particles in biopharmaceuticals.
BiotechDeep TechHardwareNew York, US
Laura Philips(Executive Officer, Director)inDavid Grier(Director)
Co-investorsRockies Venture Club
SpinRise Technologies builds a cloud platform that combines narrative, video, and biometric data streams and uses machine learning to analyze the data and generate reports for supporting children diagnosed with autism.
AI & Machine LearningDigital HealthHealthtech
HealthtechPittsburgh, US
D. Lansing Taylor(Executive Officer, Director)S. Chakra Chennubhotla(Executive Officer, Director)
BoardWilliam Newlin(Director)
SpiralGen provides software research and development services for computing research teams, focused on performance portability on advanced high-performance computing (HPC) hardware using the open-source SPIRAL toolkit.
Deep TechDeveloper ToolsEnterprise Software
Seattle, US
Charles Michael Roco(Executive Officer, Director, Promoter)Georg Friedrich David Seelig(Executive Officer, Director, Promoter)Alexander Bengt Rosenberg(Executive Officer, Director, Promoter)
Sporian develops advanced sensor and prototype technologies for extreme environments, including seismometer and flow sensors designed to operate under the high temperatures and pressures found on the surface of Venus.
Deep TechHardwareSpace Tech
spotLESS Materials develops nature-inspired liquid-entrenched smooth surface (LESS) coatings that repel liquids, sludge, and contaminants while enabling self-cleaning properties for industrial applications including sanitation, automotive, and medical sectors.
Advanced ManufacturingCleantechConsumerDeep TechNew MaterialsState College, US
Birgitt Boschitsch(Founder)inTak-Sing Wong(Founder)in
Co-investors1855 Capital PartnersY Combinator
Spreadsheet Lab Manual is a remote, educator-built platform that teaches spreadsheet-based computational modeling across STEM subjects, with students building quantitative models in Excel or Google Sheets.
EdTechSaaS
Springbok Analytics uses MRI data to measure individual muscle volume, fat infiltration, and symmetry at the individual-muscle level with pixel-level precision.
AI & Machine LearningHealthtechSports Tech
Co-investorsAnthropy PartnersCartan CapitalTitletownTech
SpringGem Weather Information develops free web and mobile applications that provide current and forecasted weather and energy information by integrating numerical weather forecasting, satellite and ground remote sensing, data science, and cloud computing.
AI & Machine LearningClimate TechData & Infrastructure
Squishy Robotics builds tensegrity sensor robots that can be air-deployed from drones, helicopters, and aircraft into hazardous areas to provide real-time, ground-level data.
HardwareIoTRobotics
BiotechWatertown, US
Robert S. Langer, Sc.D.(Director)Armon Sharei, Ph.D.(Executive Officer, Director)Amy W. Schulman(Executive Officer, Director)Kris Elverum(Executive Officer)Howard Bernstein(Executive Officer)Klavs F. Jensen, Ph.D.(Director)
Co-investorsVeltro Argento
SRICO develops application-specific integrated optic technology using electro-optics, nonlinear optics, and ferroelectric materials to produce optical chip-based products.
Deep TechHardwareSemiconductors
SRT Labs offers monitoring, analytics, and automation software built on its M1 Platform, which unifies hardware and software data across manufacturers to track equipment and environmental conditions and trigger automated responses.
Enterprise SoftwareIoTSaaS
Co-investorsDragonX
OnSolve is a mass notification platform that delivers rapid, multi-channel alerts to enterprises and government agencies during emergencies, infrastructure disruptions, and operational events.
Enterprise SoftwareGovTechSeattle, US
Co-investorsGeekdomTappan Hill VenturesTechstarsTFX Capital
Starfire Industries designs and manufactures deep-tech hardware including high-flux neutron/radiation sources, thin-film deposition and etching systems, pulsed power, and cold plasma surface-treatment technology.
Advanced ManufacturingDeep TechHardwareChampaign, US
Stark Street Materials develops a lead-free radiation shielding fabric that uses bismuth particles instead of toxic lead salts.
HealthtechMedical DevicesNew Materials
StarNav develops hardware and software that convert ambient radio signals (signals of opportunity) into position, navigation, and timing (PNT) information, integrating GNSS with other radio signals for resilience against disruption and attacks.
Deep TechDefense TechHardware
Stealth Software Technologies develops privacy-enhancing technologies (PETs) that turn cryptographic research into practical software, covering secure multiparty computation, zero-knowledge proofs, searchable encryption, secure cloud storage, and privacy-enhanced blockchain.
Crypto & Web3CybersecurityDeep Tech
Rafail Ostrovsky(Co-founder)
Steam Instruments develops high-spatial-resolution mass spectrometry technology, including ion detectors, ion imaging optics, and high-mass spectrometer designs for applications such as direct-from-tissue biomolecule mapping, ultra-high-mass biomolecule analysis, sub-micron hydrogen and lithium mapping, semiconductor dopant analysis, and nuclear forensics.
BiotechDeep TechHardware
STec develops the Reactive Cyclical Induction (RCI) System, an internationally patented marine exhaust technology that reduces CO2 emissions by 25% and NOx emissions by 85%.
CleantechClimate TechHardware
Steg.AI develops in-house deep learning models for forensic and visible watermarking to protect videos, images, documents, and audio from leaks, unauthorized use, and deepfakes.
AI & Machine LearningCybersecurityDeep Tech
Tile Farm Academy is a K-12 number sense and math fluency routine that turns daily math practice into problem-solving activities to build students' confidence and skills.
EdTech
Stemina Biomarker Discovery develops human cell-based in vitro toxicity assays—using metabolomics and induced pluripotent stem cells—to predict developmental toxicity and cardiotoxicity of drug candidates, chemicals, cosmetics, and tobacco ingredients as an alternative to animal testing.
BiotechDigital HealthHealthtechMadison, US
Robert E. Burrier(Executive Officer)Elizabeth L.R. Donley(Executive Officer, Director)
BoardAndrew Ferrara(Director)R. Andrew Morgan(Director)Scott Carr(Director)Kevin Krenitsky(Director)
Stemloop developed cell-free and RNA synthetic biology into freeze-dried, programmable biosensors made from DNA, RNA, and protein for detecting contaminants such as lead in drinking water and other environmental settings.
BiotechCleantechDeep Tech
Khalid K. Alam(Co-founder)Julius B. Lucks(Co-founder)Michael C. Jewett(Co-founder)
Steppingblocks provides data analytics tools built on machine learning that process alumni career profiles to help students make career decisions and support universities with workforce-readiness insights.
AI & Machine LearningData & InfrastructureEdTechAtlanta, US
CARLO MARTINEZ(Executive Officer, Director)LEVI PERKINS(Executive Officer, Director)ROBERT GANNAWAY(Executive Officer, Director)
Co-investorsArthur Ventures
Sterile Geeks VR is presented as service and technology consultants, with the site showing only a pre-launch email signup and no details about its offerings.
Sector Agnostic
STF Technologies is a materials testing and consulting company specializing in rheology and soft matter, offering product development support, formulation optimization, and specialized instrumentation for industries including personal care, textile coatings, and polymers/composites.
Deep TechHardwareNew Materials
STL Scientific develops high-sensitivity, high-resolution sensing and monitoring systems, including remote and portable solutions, for use across aerospace, space, infrastructure, freight/mobility, and energy sectors.
Deep TechHardwareSpace Tech
Radiometer develops acute care diagnostic products including blood gas analyzers, syringes, and point-of-care IT systems, along with related services for hospitals treating critically ill patients.
Digital HealthHardwareMedical Devices
Stottler Henke builds artificial intelligence software systems and provides consulting for applications including education and training, planning and scheduling, decision support, knowledge management, and autonomous systems.
AI & Machine LearningEnterprise SoftwareGovTech
Strados Labs builds wearable biosensors and a cloud platform that continuously capture and analyze respiratory data — including cough, spirometry, FeNO, and eCOA endpoints — in patients' daily lives.
AI & Machine LearningBiotechDigital HealthMedical DevicesPhiladelphia, US
Nicholas Delmonico(Executive Officer, Director)Richard Powers(Executive Officer, Director)Steve Bishop(Director)Robert Ball(Director)Alex Levit(Director)Nick Delmonico(CEO & Co-founder)
Co-investorsBand of AngelsBrincBroad Street AngelsCathexis VenturesNeer Venture PartnersNextFab Ventures+1 more
Stratonics develops ThermaViz, a multi-vision sensor and control system built around a patented dual-wavelength imaging pyrometer that monitors and controls the thermal melt pool in additive manufacturing processes.
Advanced ManufacturingDeep TechHardware
SPEC designs and operates airborne instruments that measure cloud droplet and ice particle size distributions and capture high-resolution imagery of hydrometeors, supporting research in cloud microphysics, precipitation and atmospheric dynamics.
Climate TechDeep TechHardwareBoulder, US
Streamline Automation designs custom automated systems for assembly, inspection, ergonomics, and warehouse automation, and provides engineering services in nuclear power, power plant and process engineering, finite element analysis, computational fluid dynamics, and rocket propulsion.
Advanced ManufacturingDeep TechRobotics
Strivision develops a combined hardware and software system for respiratory diagnostics, using filtered infrared imaging and computer vision to measure exhaled CO2 and build 3D models of breathing behavior.
AI & Machine LearningHealthtechMedical Devices
Stryd makes a wearable power meter and adaptive training software for runners.
AI & Machine LearningE-commerceHardwareSports TechBoulder, US
LI SHANG(Founder)Robert Dick(Founder)
BoardBEPPO HILFIKER(Director)NOAH PENE(Director)
Co-investorsMatchstick VenturesTechstarsZMT Capital
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.