NAICS 541990 and PSC R408 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code contractor overlap.

NAICS 541990 + PSC R408

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$25,008,689,992

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC R408 overlap

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$512,818,535

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$827,755,539

Analytic Services Inc.

Arlington, VA

Arlington, VA | 91 awards | Top agency Department of Defense | NAICS 541611

$394,386,802

Rsi-quantitech Jv LLC

Huntsville, AL

Huntsville, AL | 33 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$4,000

Tuvli LLC

Herndon, VA

Herndon, VA | 247 awards | Top agency Department of State | NAICS 541990

$432,550,248

Akima Data Management LLC

Herndon, VA

Herndon, VA | 138 awards | Top agency Department of Defense | NAICS 541519

$100,318,175

Cherokee Nation System Solutions LLC

Tulsa, OK

Tulsa, OK | 511 awards | Top agency Department of State | NAICS 561210

$334,664,963

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chesapeake, VA | 180 awards | Top agency Department of Health and Human Services | NAICS 541611

$111,861,513

Jbs International, Inc.

Rockville, MD

Rockville, MD | 53 awards | Top agency Department of Health and Human Services | NAICS 541990

$533,286,290

Koniag Management Solutions LLC

Anchorage, AK

Anchorage, AK | 184 awards | Top agency Department of Defense | NAICS 541512

$75,567,373

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