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SOUTHWEST RESEARCH INSTITUTE

UEI: PB11V1KH3KV4CAGE: 26401

SOUTHWEST RESEARCH INSTITUTE is a federal contractor, registered under UEI PB11V1KH3KV4 and CAGE code 26401. It has been awarded $4,720,150,500 across 4,056 federal contracts. Primary work spans Engineering Services, Unknown NAICS, and Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Top awarding agencies include National Aeronautics And Space Administration, Department Of Defense, and Nuclear Regulatory Commission.

Contact Information

Registration and classification details

Registration

UEI Code

PB11V1KH3KV4

CAGE Code

26401

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Southwest Research Institute specializes in advanced research and development across physical, engineering, and life sciences, with deep expertise in aerospace systems, sensor integration, and aircraft sustainment. The contractor delivers engineering services for defense and space platforms, includi...

Southwest Research Institute specializes in advanced research and development across physical, engineering, and life sciences, with deep expertise in aerospace systems, sensor integration, and aircraft sustainment. The contractor delivers engineering services for defense and space platforms, including A-10 aircraft maintenance, navigation and guidance instrument development, and probabilistic damage tolerance frameworks using Darwin-based modeling. Their technical capabilities span sensor integration units, antenna design, hazardous waste treatment analysis, and precision instrumentation testing, supported by accredited laboratory services and systems engineering rigor. Differentiators include hands-on systems validation, mission-critical avionics support, and interdisciplinary R&D teams skilled in both field deployment and analytical modeling for high-reliability environments. The organization maintains sustained relationships with the Department of Defense, delivering aircraft sustainment, avionics engineering, and weapons system support; the Nuclear Regulatory Commission, where they provide radiological analysis and safety assessment services; and NASA, contributing to spaceflight reliability frameworks and probabilistic engineering tools. Their work with the Environmental Protection Agency and Department of Transportation reflects applied environmental engineering and hazardous materials management expertise, often tied to field-testing and compliance validation. Primary industry focus centers on R&D in physical and engineering sciences, engineering services, and testing laboratory operations—enabling end-to-end solutions from concept to fielded system. Vertical specializations include military aviation, aerospace navigation systems, and environmental remediation technologies, positioning them as a mission-critical technical partner for defense, nuclear safety, and space exploration programs. As a non-certified, independently operated research institute based in San Antonio, Texas, Southwest Research Institute operates as a mission-driven technical entity with long-standing government partnerships. Their structure supports scalable, high-integrity engineering teams without reliance on small business set-asides, emphasizing technical excellence and systems-level problem solving for federal mission agencies.

Key Performance Metrics

Awards Count

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Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency
National Aeronautics And Space Administration$1.9B40.4%
Department Of Defense$1.5B32.3%
Nuclear Regulatory Commission$304.7M6.5%
Department Of Energy$183.9M3.9%
National Aeronautics And Space Administration (nasa)$146.7M3.1%
Department Of Defense (dod)$137.2M2.9%
Environmental Protection Agency$105.1M2.2%
Department Of Energy (doe)$87.0M1.8%
Department Of Veterans Affairs$79.5M1.7%
Department Of Transportation$60.9M1.3%
General Services Administration$43.7M0.9%
Department Of Health And Human Services$25.6M0.5%
Other agencies (24 agencies, <0.5% each)$114.2M2.4%
Awards by NAICS
Export
541330 - Engineering Services$956.9M20.3%
- Unknown NAICS$723.7M15.3%
541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)$700.2M14.8%
336414 - Guided Missile and Space Vehicle Manufacturing$526.4M11.2%
541710 - Research and Development in the Physical, Engineering, and Life Sciences$360.1M7.6%
541712 - Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$274.7M5.8%
562211 - Hazardous Waste Treatment and Disposal$259.7M5.5%
541611 - Administrative Management and General Management Consulting Services$213.8M4.5%
334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing$193.7M4.1%
541720 - Research and Development in the Social Sciences and Humanities$59.4M1.3%
541711 - Research and Development in Biotechnology$56.7M1.2%
541990 - All Other Professional, Scientific, and Technical Services$56.5M1.2%
541512 - Computer Systems Design Services$49.9M1.1%
541511 - Custom Computer Programming Services$45.2M1%
541380 - Testing Laboratories and Services$30.9M0.7%
334111 - Electronic Computer Manufacturing$26.8M0.6%
Others - Other NAICS codes (99 codes, <0.5% each)$185.3M3.8%
Awards by Agency Over Time
Awards by Place of Performance

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