Hardware Startups

PHX Energy Services provides technology and services to the oil and gas industry, with operating divisions focused on specialized field services and measurement solutions.

1 investor

Phoenix Kinetics develops the NUsurface meniscus implant, a device that preserves knee motion and provides pain relief for patients with early knee osteoarthritis who fall between meniscal allograft transplantation and total knee replacement. The company targets an estimated U.S. patient population of over one million and has run clinical trials demonstrating pain reduction and improved physical function.

1 investor

Banshee is building velocity.report, a radar/LiDAR perception platform for measuring and reporting street-level vehicle speeds. The product focuses on A/B street-speed reporting using sensor perception technology.

1 investor

Photon Force designs and manufactures single-photon sensitive cameras and sensors for research and scientific applications in photonics and quantum optics. The company's technology can timestamp up to half a billion individual photons per second and provides customized solutions including firmware for hardware-accelerated data processing.

1 investor

Photonect develops adhesive-free, laser-fusion fiber-to-chip attach technology for packaging integrated photonic devices, creating permanent glass-to-glass bonds. Its patented oxide mode converters reduce insertion loss at fiber-chip interfaces and are compatible with foundry processes and solder reflow, serving the photonics packaging and semiconductor industry.

1 investor

Photon etc. distributes optics and photonics technologies through a global network of specialized partners, serving researchers and industries in life science, material science, and industrial applications.

1 investor

Photonic Measurements develops UV, IR, and optical water quality measurement instruments for wastewater, drinking water, and environmental monitoring. The company manufactures in the UK and provides online, inline, and portable solutions for real-time water quality assessment.

1 investor

Photonisol develops silicon photonic integrated devices and functional photonic devices, with a focus on integrated optical isolators and photonic integrated circuits (PICs). Its technology targets applications such as optical transceiver modules, co-packaged optics, optical phased arrays, quantum computing chips, and biosensors. The company is a spin-off from Inha University's research laboratory.

1 investor

Photonium builds AI-assisted software and provides consulting for optical lens and system design, taking projects from written spec to toleranced export while integrating with tools like Zemax and CODE V. It serves teams working on satellites, drones, AR/VR, flow cytometry, quantum computing, UV lighting, and consumer electronics.

1 investor

Photon Sports develops technology for measuring athletic performance and preventing injuries through optical system analysis. The company serves athletes, trainers, and sports organizations seeking data-driven physical performance optimization.

1 investor

PhotoWidget is a mobile home screen customization app that allows users to create personalized widgets including photos, calendars, clocks, and other utility widgets with design tools for frames, filters, fonts, and colors.

1 investor

PhovIR develops handheld near-infrared (NIR) spectroscopy technology based on a MEMS-enabled Michelson interferometer, packaging FTIR-grade material analysis into a small, low-cost, mass-manufacturable device. The portable spectrometer is intended for identifying materials, substances, and physiological markers in the field.

1 investor

A South Korean materials company that develops and manufactures specialty chemicals and materials for OLED displays, including electron injection materials, common layer materials, and hole transport layers.

1 investor

Physical Robotics develops humanoid robots that use AI to perceive, learn, and adapt in real time to perform physical tasks in dangerous or demanding environments. The robots are designed to work alongside people in industries such as healthcare, logistics, and manufacturing.

1 investor

Physmodo uses computer vision to measure human movement and biomechanics through a quick 30-second automated assessment. The platform provides objective movement scores, personalized exercise protocols, and progress tracking for gyms, sports teams, healthcare providers, employers, and military organizations.

1 investor

PHYTunes develops wireless-wireline convergence technology aimed at solving the indoor penetration problem of 5G and Wi-Fi signals. The company operates in telecommunications and wireless networking, serving carriers and public sector clients.

1 investor

Pi-Radio manufactures software-defined radios (SDRs) operating across 6GHz to 140GHz frequencies, enabling wireless researchers and engineers to conduct real-world testing and validation for 6G, millimeter-wave, and emerging wireless technologies. The company serves academic and commercial wireless research teams developing next-generation communications and sensing applications.

1 investor

pi-top provides a computer science and STEAM education solution for schools, including standards-aligned curriculum, a lesson delivery platform that integrates with school LMS, Raspberry Pi-based portable computers, electronic accessory kits, and a robotics kit for beginner to advanced learners. It serves students of all ages and skill levels and highlights alignment with US federal funding programs under ESSA Titles I-IV.

1 investor

Pi Seal is a University of Cambridge spin-out developing adaptive, pressure-balanced sealing technology for high-performance turbomachinery that maintains tighter effective clearances while tolerating vibration, thermal growth and rotor movement. Its contactless, wear-free seals target gas turbines, compressors, LNG and industrial gas systems, and hydrogen applications to reduce leakage and improve reliability.

1 investor

PICKLETILE converts existing tennis and hard courts into pickleball courts with full surface preparation, layout design, and optional glass enclosures and lighting. The company serves facility operators and communities seeking to expand pickleball capacity.

1 investor

Assure Fire and Security is a family-run installer of intruder alarms, CCTV, and fire safety systems for business customers. The company is an NSI Gold and BAFE-approved provider, designing and maintaining security systems tailored to each business.

1 investor

Picocom designs semiconductor SoCs, development boards, and 3GPP-compliant PHY software for 5G NR and LTE small cell Open RAN architectures. Its products target telecom equipment makers building disaggregated and integrated RAN systems that meet O-RAN Alliance specifications.

1 investor

PicoJool designs and manufactures vertical cavity surface emitting laser (VCSEL) optical connectivity solutions for AI data centers and hyperscale cloud systems. The company produces high-speed optical engines for transceiver products used in PCIe, Ethernet, Infiniband, and AI infrastructure applications.

1 investor

Picwing is a photo-sharing platform for families that lets users send photos by email or phone for automatic printing and biweekly mailing to recipients. It also makes Linux-based digital photo frames that display images sent from a desktop or phone within seconds.

1 investor