Phonic is the next-generation voice AI platform to build reliable voice agents.

Physera simplifies physical therapy. Physera was acquired by Omada Health in 2020.

See your entire health history—at a glance. Contribute to medical research—anonymously and securely.

Pinscreen is a computational imaging startup.

Pivotal Commware uses metamaterials technology to improve communications from moving targets such as cars, planes and drones, among other applications.

Planet operates the largest-ever fleet of Earth-imaging satellites to frequently image the entire planet and provide open access to that information. The company listed publicly [NYSE: PL] in 2021.

Plexium focuses on targeted protein degraders to reinvent the way medicines are discovered.

Primer builds machines that read and write.

Reflect Orbital is building a satellite constellation to deliver sunlight on demand. Using reflectors and large deployable structures, our satellites transform into precise orbital mirrors. We are creating a new category of space-enabled infrastructure, our technology serves energy resilience, nighttime lighting, defense, and beyond.

Reflex allows developers to build their entire web apps in a single language.

The first autonomous platform to build the future of humanity in space.

Resilience is building the world’s most advanced biopharmaceutical manufacturing ecosystem.

Rigetti Computing is on a mission to build the world's most powerful computer.

Ripcord is on a mission to take the world paperless, turning paper records trapped in warehouses into meaningful data using advanced robotics and computer vision.

Rivet powers clear and efficient healthcare transactions.

Science 37 accelerates clinical research by making it simple for patients to participate from the comfort of their own home. The company listed publicly [NASDAQ: SNCE] in 2021.

Senti Biosciences is a Bay Area biotech company focused on outsmarting complex diseases with more intelligent medicines.

Shapeways lets anyone create amazing products with the power of 3D printing. The company listed publicly [NYSE: SHPW] in 2021.

Shiru creates functional ingredients to accelerate the transition to sustainable eating.

SiBEAM was a leading developer of high-speed wireless communications technologies. SiBEAM was acquired by Silicon Image in 2011.

Silicon Clocks was founded in 2006 to develop high-performance semiconductor timing and sensor designs. The company was acquired by Silicon Labs in 2010.

Siluria combines nanotechnology, biotechnology and chemical engineering to create new catalysts that convert natural gas into valuable fuels and chemicals. Siluria was acquired by McDermott in 2019.

SOLS Systems is a pioneer of custom, mass-manufacturing, 3D technology enabling the personalization of everyday wearables. Its first product, exoSOLS, brings 3D printing to footwear with dynamic orthotics. Sols was acquired by Aetrex in 2017.

Sourcegraph is a code search and intelligence tool for developers.