Agency + NAICS page

Department of Defense NAICS 541990 contractors

All Other Professional, Scientific, and Technical Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Defense.

Agency: Department of Defense
Last updated: April 8, 2026

Visible recipients

137

Mapped obligations

$21,703,327,609

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 541990

Kratos Defense & Rocket Support Services, Inc.

San Diego, CA

Kratos Defense & Rocket Support Services, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $4,483,270 in visible federal obligations across 38 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC B541.

$11,316,247

Insight Policy Research, Inc.

Arlington, VA

Insight Policy Research, Inc. is a federal 8a program participant profile based in Arlington, VA. The current public data layer shows $4,289,953 in visible federal obligations across 23 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$5,873,185

Calspan Corporation

Buffalo, NY

Calspan Corporation is a federal category business profile based in Buffalo, NY. The current public data layer shows $3,727,733 in visible federal obligations across 5 awards or transactions. Small Business Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541380 (Testing Laboratories and Services). The profile also shows meaningful product and service activity in PSC 2310.

$347,717

National Institute Of Aerospace Associates

Hampton, VA

National Institute Of Aerospace Associates is a federal category business profile based in Hampton, VA. The current public data layer shows $3,468,332 in visible federal obligations across 26 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AR11.

$1,209,649

Aitheras LLC

Rockville, MD

Aitheras LLC is a federal 8a program participant profile based in Rockville, MD. The current public data layer shows $2,969,219 in visible federal obligations across 45 awards or transactions. Department of Justice appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R499.

$4,480,841

Altarum Institute

Novi, MI

Altarum Institute is a federal category business profile based in Novi, MI. The current public data layer shows $2,913,706 in visible federal obligations across 62 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$43,945,399

Chenega Applied Solutions, LLC

Lorton, VA

Chenega Applied Solutions, LLC is a federal 8a program participant profile based in Lorton, VA. The current public data layer shows $2,466,562 in visible federal obligations across 42 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R499.

$53,827,891

Yulista Services, LLC

Huntsville, AL

Yulista Services, LLC is a federal 8a program participant profile based in Huntsville, AL. The current public data layer shows $2,040,052 in visible federal obligations across 19 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC J010.

$1,542,655

Vighter LLC

San Antonio, TX

Vighter LLC is a federal category business profile based in San Antonio, TX. The current public data layer shows $1,492,227 in visible federal obligations across 31 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561320 (Temporary Help Services). The profile also shows meaningful product and service activity in PSC Q403.

$258,513

Ssi-venesco Jv LLC

Centreville, VA

Ssi-venesco Jv LLC is a federal category business profile based in Centreville, VA. The current public data layer shows $934,109 in visible federal obligations across 23 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R418.

$3,432,981
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