SRI International

What SRI International does

SRI International is an independent, nonprofit research institute founded in 1946 and headquartered at 333 Ravenswood Avenue, Menlo Park, California, with additional Silicon Valley, Princeton (Sarnoff Corporation), San Diego, other U.S. sites, and a Tokyo office. The institute operates five research divisions — Advanced Technology & Systems, Biosciences, Education, Information & Computing Sciences, and Integrated Systems & Solutions — and runs an explicit Commercialization arm comprising Commercial R&D, Ventures, the Center for Innovation Strategy & Policy, and the Nomura-SRI Innovation Center. Its workforce of 1,001–5,000 serves U.S. federal agencies (DARPA, ARPA-H, NASA, NIH, NSF, DOE, IARPA, Army/Marines) and commercial customers across aerospace, pharma, energy, banking, and technology.

SRI's core proprietary technology spans the FOX Three biosensor and molecular-guidance platform (radionuclide therapy and at-home multi-cancer screening via the ARPA-H POSEIDON program, up to $34M awarded in 2025), the BioCyc family of metabolic pathway databases licensed to 11,000+ users, the DASL (Deep Adaptive Semantic Logic) framework for data-efficient AI, the FRASTA 3D fracture-analysis system, the FlexTrain military training instrumentation, the QED-C quantum consortium (270 members), and a deep AI research stack built around the Artificial Intelligence Center (founded 1966), whose outputs include CALO (the progenitor of Siri), RANSAC computer vision, and current agent frameworks (ATHENA, COLLEAGUE). Nine IEEE Milestones and nine Emmy awards attest to a multi-decade innovation record.

SRI's business model rests on multi-year fee-for-service contract R&D with government and industry (e.g., the five-year, $150M DARPA CALO/PAL program), supplemented by licensing of patented inventions and FDA-approved drugs (bexarotene, pralatrexate, vidarabine), subscription licensing of the BioCyc database family, equity realizations from spin-out companies (Siri → Apple, Tempo AI → Salesforce, Summly → Yahoo, Ravenswood Solutions spun out 2024, Autonomique spun out 2026), and consortium management fees (QED-C). Pricing is quote-based and engagement-specific, with no public price list. Distribution is direct enterprise and government sales, augmented by technology licensing to OEMs and the creation of independent spin-out companies that take products to market while SRI retains a partnership stake.

Name

SRI International

Legal name

SRI International

Website

https://sri.com

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

SRI International is an independent nonprofit research institute founded in 1946 and headquartered in Menlo Park, California, conducting multidisciplinary contract R&D for U.S. federal agencies (DARPA, ARPA-H, NASA, NIH, NSF, DOE, IARPA) and commercial customers across biosciences, AI, quantum, security, and space, and commercializing technology through licensing and spin-out companies.

Ownership category

akta.pro rank

Headquarters

HQ city

Menlo Park

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Commercial R&D contracts: Fee-for-service and contract research performed for commercial customers (e.g., Merrill Lynch cash management accounts, Valeant/Eisai/Ligand pharmaceutical development, Ricoh digital fax). SRI states it collaborates "closely with government and commercial customers to meet their precise needs and specifications."
2. Government R&D contracts and grants: Multi-year awards from federal agencies including DARPA (e.g., $150M CALO program, CHERI architecture), ARPA-H (up to $34M for at-home cancer screening), Department of Energy / SETO ($900K in 2017 for PV recycling), NIH, NSF, IARPA, and NASA.
3. Technology licensing and royalties: Out-licensing of patented inventions and FDA-approved drug royalties. Examples: Ricoh (digital fax Z-60 / RIFAX 600s in 1973), Eisai/Valeant (bexarotene/Targretin for cutaneous T-cell lymphoma, FDA approved 1999), Allos Therapeutics (pralatrexate, FDA approved 2009), Mitsubishi Heavy Industries / Osaka Gas / Chubu Electric (FRASTA), Fourward Technologies (Eyetracker).
4. Spin-out ventures and equity realizations: Creation of independent companies around SRI technology that the institute may retain a partnership stake in (e.g., Siri → Apple acquisition 2010; Tempo AI → Salesforce; Summly → Yahoo; Meta → Chan-Zuckerberg Initiative; Ravenswood Solutions spun out 2024). The Ventures arm manages these equity positions.
5. Scientific database subscriptions / licensing: Licensing of the BioCyc / MetaCyc / EcoCyc / HumanCyc family of bioinformatics databases and Pathway Tools software to 11,000+ university and corporate users; supported by NIH funding.
6. Strategic innovation partnerships: Joint ventures and co-development programs such as the Nomura-SRI Innovation Center, and consulting/coordination contracts like the Flinn Foundation Arizona Bioscience Roadmap engagement.

Pricing tiers

Go-to-market motion4 records

Distribution channels4 records

Marketing channels7 records

Core offering

SRI International is an independent nonprofit research institute that performs multidisciplinary contract research and development for U.S. government agencies and commercial customers across biosciences, advanced technology and systems, information and computing sciences, and integrated systems and solutions. The institute sells custom R&D services under multi-year contracts and grants, licenses patented inventions and FDA-approved drugs to industry partners, and spins out independent companies to commercialize breakthrough technologies such as Siri, Ravenswood Solutions, and Autonomique.

Product overview

SRI International is a global, independent nonprofit R&D institute (founded 1946) operating as a multi-division research organization rather than a single commercial product. Its Artificial Intelligence Center (founded 1966) anchors a portfolio that includes the FOX Three platform for molecular biosensing and cancer diagnostics, the BioCyc family of bioinformatics databases with Pathway Tools software, and AI agent research products including DASL (Deep Adaptive Semantic Logic), AiCorb generative architecture design, the COLLEAGUE agent framework, and the ATHENA virtual CoP member. Commercialized spinouts and licensed products include Siri (acquired by Apple), Ravenswood Solutions (military training, spun out 2024), Autonomique (teleoperation robotics, spun out 2026), and the FRASTA fracture analysis system. SRI also manages the Quantum Economic Development Consortium (QED-C) and operates the SRI Dish radio antenna for satellite calibrations and spacecraft communications.

Differentiator

Problem solved

Functional benefit

Brands

• BioCyc: Family of bioinformatics knowledge bases and tools (including MetaCyc, EcoCyc, HumanCyc, and Pathway Tools) developed by SRI's Bioinformatics Research Group; licensed by over 11,000 users to support biological research.
• Nomura-SRI Innovation Center
• Sarnoff Corporation

Products and services

• FOX Three biosensor and molecular guidance platform SRI's molecular guidance system platform enabling rapid, tumor-specific radionuclide delivery. Originally developed for neuroendocrine tumors; extended to pancreatic ductal adenocarcinoma, glioblastoma, and at-home multi-cancer screening through the ARPA-H POSEIDON program.
• BioCyc database collection (BioCyc, MetaCyc, EcoCyc, HumanCyc) Comprehensive Pathway/Genome Databases for thousands of organisms, including EcoCyc (E. coli), MetaCyc (largest curated metabolic knowledge base), HumanCyc, and BioCyc. Licensed by over 11,000 users at universities and corporate labs worldwide; supported by U.S. NIH funding.
• Pathway Tools software SRI's bioinformatics software suite supporting metabolic pathway queries, genome browsing via the Genome Explorer browser, multi-omics visualization, and the Comparative Genome Dashboard for cross-organism gene-function comparison.
• DASL (Deep Adaptive Semantic Logic) Next-generation AI technology that combines state-of-the-art machine learning with reasoning mechanisms to learn from limited data combined with human knowledge, identifying problems and explaining them clearly.
• FRASTA (Fracture Surface Topography Analysis) 3D fractography system that reconstructs fracture events using confocal optics and scanning laser microscopy to diagnose and predict fatigue failure in pipelines, aircraft, bridges, and power plants. Licensed to NASA and to Japanese companies including Mitsubishi Heavy Industries, Osaka Gas Company, and Chubu Electric Power Company.
• FlexTrain multi-mission instrumentation system Live, virtual, and constructive training integration system used by the Army National Guard's eXportable Combat Training Capability (XCTC) program to train combat and functional brigades at home stations. Now operated by the Ravenswood Solutions spinout.
• Quantum Economic Development Consortium (QED-C) Public-private partnership established under the National Quantum Initiative Act of 2018 and managed by SRI International. Coordinates 270 members from government agencies, universities, and private sector companies in quantum technology, workforce, standards, and use cases.
• SRI contract R&D services for federal and commercial customers Multidisciplinary contract research and development services delivered to U.S. federal agencies and commercial customers across biosciences, advanced technology and systems, information and computing sciences, and integrated systems and solutions. Engagements are multi-year and tailored to specific customer needs.
• Nomura-SRI Innovation Center Joint innovation center with Nomura supporting Japanese-market partnerships, joint laboratories, co-development, technology transfer, and talent exchange between Silicon Valley and Japan.

Quantifiable outcome

• Up to $34 million awarded by ARPA-H to develop at-home screening tests capable of detecting 30+ cancer types (2025).
• +5 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability16 records

Feature10 records

Partnerships

16 partnerships are on record, tiered flagship, core and minor.

• Kalekona RadiotheranosticsflagshipStrategic or Co-development Partner · 21 October 2025SRI and Kalekona Radiotheranostics announced a strategic partnership to develop peptide receptor radionuclide therapy (PRRT) for pancreatic ductal adenocarcinoma and glioblastoma, utilizing SRI's FOX Three platform. The platform allows rapid, tumor-specific radionuclide delivery, now extended beyond neuroendocrine tumors to include pancreatic and brain tumors.
• ARPA-H (Advanced Research Projects Agency for Health)flagshipStrategic or Co-development Partner · 20 October 2025ARPA-H selected SRI's multi-party team — including Foothold Labs, Triple Ring Technologies, and Beacon DX Health — under the POSEIDON program to develop an at-home cancer screening test capable of detecting more than 30 cancer types in early stages. The award is for up to $34 million and leverages SRI's FOX Three biosensor/molecular-guidance platform, AI, and machine learning.
• Flinn FoundationcoreStrategic or Co-development Partner · 1 September 2025The Flinn Foundation commissioned SRI to deliver an updated Arizona Bioscience Roadmap unveiled in September 2025, highlighting Flagstaff as a leading hub for medical devices, healthcare delivery, precision medicine, and biotechnology.
• Ravenswood Solutions (spin-out)flagshipStrategic or Co-development Partner · 19 September 2024In September 2024, SRI spun out Ravenswood Solutions as an independent small business focused on fielding scalable, modular solutions for training, testing, and operations across defense and commercial applications. SRI "remains a valuable business partner" to Ravenswood, providing innovative technologies and technical expertise; Ravenswood is headquartered in Fremont, California.
• Quantum Economic Development Consortium (QED-C)flagshipStrategic or Co-development Partner · 1 January 2018QED-C is a public-private partnership established under the National Quantum Initiative Act of 2018 and managed by SRI International; 270 members from government agencies, universities, and private sector. SRI coordinates investment in quantum technology, workforce, standards, and use cases.
• DARPA (Defense Advanced Research Projects Agency)flagshipStrategic or Co-development Partner · 1 January 2003Long-term R&D partnership including the five-year, $150M PAL program (CALO cognitive assistant, 22 institutions, 300+ researchers) and ongoing DARPA-funded programs such as CHERI capability-based hardware architecture and Artificial Social Intelligence for Successful Teams (ASIST). Newton's 41-year RISKS Digest was also based at SRI.
• Allos TherapeuticscoreOEM/ Whitelabel/ Licensing Partner · 1 January 2002"Pralatrexate was ultimately identified as a viable clinical candidate and was licensed to Allos Therapeutics for further development in 2002." FDA-approved 2009 for peripheral T-cell lymphoma.
• Eisai / Ligand / ValeantcoreOEM/ Whitelabel/ Licensing Partner · 1 January 1999"Bexarotene (trade name Targretin) was developed by the San Diego biotech company, Ligand, which subsequently licensed worldwide rights to a Japanese pharmaceutical company, Eisai, in 1999. It is now marketed in the U.S. by the Canadian pharmaceutical company, Valeant, which acquired rights to the drug from Eisai in 2013."
• Fourward Technologies (now Fourward Optical Technologies)coreOEM/ Whitelabel/ Licensing Partner · 1 January 1988"In 1988, the technology [Eyetracker] was licensed to Fourward Technologies, which continued its development and marketing and installed Eyetrackers all over the world." Developed at SRI under NASA contract from 1965-1988.
• RicohflagshipOEM/ Whitelabel/ Licensing Partner · 1 April 1973"In 1970, SRI International was contracted by Savin, CBS Television Services and Dacom to commercialize… digital fax. SRI developed the Z-60 prototype. In 1973, Ricoh acquired the rights to the technology; they formed a subsidiary, Rapifax Corporation, to market and distribute the new machine." Ricoh launched the RIFAX 600s, the world's first commercially available digital fax machine.
• UCLA, USC, BBN, Stanford, Linkabit, Collins Radio (ARPANET founders)flagshipStrategic or Co-development Partner · 29 October 1969Historical consortium that built ARPANET and the first Internet connection. "The very first transmission on the ARPANET occurred at 10:30 p.m. on October 29, 1969, when UCLA attempted to send a message to SRI." Subsequent SRI contributions include internetworking (1977) and the Network Information Center (NIC, 1970-1991).
• AppleflagshipOEM/ Whitelabel/ Licensing PartnerSRI's CALO project spun out as Siri in 2007; Apple acquired Siri and integrated it into the iPhone 4S in 2011, bringing voice assistants into the mainstream. SRI remains an originator-licensor relationship.
• SalesforcecoreOEM/ Whitelabel/ Licensing PartnerSRI spin-off Tempo AI was acquired by Salesforce, extending SRI's commercialization lineage.
• Yahoo / Chan-Zuckerberg InitiativeminorOEM/ Whitelabel/ Licensing PartnerSRI spin-offs Summly was acquired by Yahoo; Meta was acquired by the Chan-Zuckerberg Initiative.
• Mitsubishi Heavy Industries, Osaka Gas Company, Chubu Electric Power Company, NASAcoreOEM/ Whitelabel/ Licensing PartnerLicensees of SRI's FRASTA fracture-analysis technology for diagnosing and predicting fatigue failure in pipelines, aircraft, bridges, and power plants. NASA and three Japanese companies use FRASTA to analyze 3D fracture surface topography.
• Nomura-SRI Innovation CenterflagshipStrategic or Co-development PartnerSRI operates the Nomura-SRI Innovation Center as part of its Commercialization division (sri.com/commercialization/the-nomura-sri-innovation-center/), supporting Japanese-market partnerships, joint labs, and technology transfer.

Scale indicators10 records

Recent moves7 records

Expansion highlights5 records

Peers

• Battelle Memorial Institute:
• MITRE Corporation:
• RAND Corporation:
• The Aerospace Corporation:
• Institute for Defense Analyses (IDA):
• Sandia National Laboratories:
• Lincoln Laboratory (MIT):
• Lawrence Livermore National Laboratory:
• Pacific Northwest National Laboratory (PNNL):
• Leidos Holdings:

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/SRI_Intl
• Facebookfacebook.com/sri.intl
• LinkedInlinkedin.com/company/sri-international

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries1 record

Funding overview

Funding rounds1 record

Investors1 record

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M&A2 records

Investments

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Frequently asked questions about SRI International