/Companies

Hardware Startups

10,047 companies tagged Hardware, with their investors and founders.

Quilter

Quilter builds physics-driven AI that automatically generates printed circuit board (PCB) layouts, using Maxwell's equations, thermodynamics, and manufacturing constraints rather than human design patterns. It serves hardware engineering teams as an alternative to traditional EDA tools, aiming to replace manual trace routing with automated computation.

3 investors

Qunnect

Qunnect develops room-temperature hardware for building scalable quantum networks over existing telecommunications infrastructure. The company operates in the quantum networking and deep-tech hardware space.

3 investors

RAAAM Memory Technologies

RAAAM is a semiconductor IP company founded by researchers specializing in VLSI design, developing and commercializing on-chip embedded memory technology for chipmakers building AI/ML and other memory-intensive applications. It leverages IP developed through academic research at Bar-Ilan University and EPFL.

3 investors

rabbit r1

rabbit builds the r1, a consumer AI hardware device powered by artificial intelligence and machine learning that can access and run AI agents. The device is aimed at general consumers as a standalone AI-powered gadget.

3 investors

Rad Propulsion

RAD engineers advanced systems architecture for next-generation marine platforms, serving the offshore, defence, and oceanographic sectors. The company specializes in intelligent control systems and scalable architecture for marine robotic vessels.

3 investors

Radify Metals

Radify Metals develops a plasma reactor platform for producing rare earth and critical minerals through a simplified metallization process aimed at lower cost, faster output, and modular deployment. It targets industrial buyers and strategic partners in the critical minerals and advanced materials sector, positioning itself as an alternative to China-dominated metal reduction supply chains.

3 investors

Random Power

Random Power develops true random number generators derived from silicon detector technology originally created for particle physics research at CERN. The company serves applications requiring high-quality random number generation, drawing on expertise from decades of detector development for fundamental science.

3 investors

RaSpect

A company that uses satellite data, IoT sensors, and drone inspection combined with AI analysis to assess structural risk and damage in buildings. The service delivers faster and more cost-effective facade and structural inspections compared to traditional methods.

3 investors

ReadCoor

Readcoor developed an in situ spatial transcriptomics platform using padlock probe rolling circle amplification chemistry to detect and map RNA transcripts across tissue sections, now offered as the Xenium In Situ platform. It serves researchers analyzing gene expression at subcellular resolution, including in FFPE and degraded samples.

3 investors

RealWear

RealWear builds industrial smart glasses and wearable technology for frontline and field workers, aimed at improving their safety, productivity, and work quality. Founded in 2016 and used by companies such as Ford and Goodyear, its first product was the HMT-1 head-mounted display.

3 investors

Reconnect

Reconnect provides software and hardware that connect specialty courts, pretrial, and community supervision programs with their participants. Its solutions are used by drug courts, probation, parole, and treatment provider agencies across the United States.

3 investors

RedDrop Dx

RedDrop Dx makes a capillary blood collection device for virtually pain-free, one-click sampling that produces higher blood volume and reliable samples. The product uses 1mL tubes designed for high-throughput labs and is aimed at patients, providers, and lab partners in healthcare.

3 investors

ReDeTec

Redetec makes ProtoCycler V3, a desktop filament extrusion system that turns plastics and 3D printer waste into 3D printing filament with automated diameter control. The product targets 3D printing users looking to produce and recycle filament, including experimentation with polymers and additives.

3 investors

RedWing Aerospace Laboratories

Redwing designs and deploys autonomous drones for last-mile logistics delivery, transporting healthcare products, food, and other goods within one hour. The company serves logistics and supply chain operators.

3 investors

Redwire Space

Redwire is an integrated aerospace and defense company building space infrastructure, autonomous aircraft, and multi-domain operations technology using digital engineering and AI automation. It serves government and defense customers such as NASA, DARPA, the U.S. Space Force, and the U.S. Army, delivering solar arrays, spacecraft platforms, navigation systems, optical imaging, and space-based R&D and manufacturing.

3 investors

rENIAC

rENIAC builds a Data Engine that acts as a drop-in database accelerator using FPGA, CPU and tiered storage (DRAM+SSD) to lower latency and increase throughput for SQL, NoSQL and Graph databases. It serves organizations with real-time, data-centric applications such as recommendation engines, online AI/ML models, fraud prevention and payment processing.

3 investors

Rensa

Rensa Filtration manufactures and distributes commercial and industrial air filters in a full range of types, formats, and MERV ratings, including pleated, HEPA, V-bank, pocket, metal, and carbon configurations. It serves facility managers, mechanical contractors, OEM manufacturers, and building owners across commercial, industrial, and critical environments, with manufacturing and value-added services in North America and Europe.

3 investors

Rensair

Rensair provides air filtration technology and works to improve commercial building HVAC systems to reduce energy use and carbon emissions while improving indoor air quality. It serves commercial building owners and operators across sectors such as offices, hospitals, and universities.

3 investors

Reservoir

Reservoir manufactures smart electric water heaters that optimize heating using multiple elements and a heat pump to reduce energy consumption, prevent leaks, and provide on-demand hot water with adaptive learning capabilities.

3 investors

Resolute Grid

Resolute Grid manufactures hardware and software for electricity transmission and distribution, aiming to address aging U.S. grid infrastructure and long transformer lead times. Its offering includes domestically produced, cyber-secure grid equipment and an AI/ML system for energy resilience.

3 investors

Resolute Industrial

Resolute Industrial operates multiple business units across the HVACR (heating, ventilation, air conditioning, refrigeration) and power industry, offering services including remanufacturing, sales, and equipment rentals. It serves a range of customers through its established divisions.

3 investors

Respiraq

RespirAq develops the RespirAq Active Humidifier System, a compact, battery-powered device that provides active heated humidification for mechanically ventilated patients without an external water supply, using a thermo-responsive smart material to capture and release moisture from the patient's breath. The product is designed for invasive and non-invasive ventilation across care settings in the respiratory care market.

3 investors

Restaurant Technologies

Restaurant Technologies operates a national service business that has expanded to provide value-added services for restaurant operators. The company serves the foodservice industry with over 1,200 employees.

3 investors

Revterra

Revterra develops energy storage systems designed for renewable power grids that prioritize cleanliness, efficiency, and reliability. The company serves utilities and grid operators transitioning to renewable energy sources.

3 investors

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