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NAICS 541512 and PSC R499 contractors

Computer Systems Design Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code contractor overlap.

NAICS 541512 + PSC R499

Last updated: April 17, 2026

Visible recipients

164

Mapped obligations

$265,463,438,495

State overlap

Top recipients

Visible recipients in the NAICS 541512 and PSC R499 overlap

Cgi Federal Inc.

Fairfax, VA

Fairfax, VA | 1,056 awards | Top agency Department of State | NAICS 541512

$5,655,887,334

Maximus Federal Services, Inc.

Mclean, VA

Mclean, VA | 238 awards | Top agency Department of Health and Human Services | NAICS 561422

$6,670,275,840

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Rockville, MD | 1,291 awards | Top agency Department of Defense | NAICS 541330

$1,718,055,381

Serco INC

Herndon, VA

Herndon, VA | 1,016 awards | Top agency Department of Defense | NAICS 541330

$5,983,010,376

Salient Crgt, Inc.

Fairfax, VA

Fairfax, VA | 254 awards | Top agency General Services Administration | NAICS 541512

$3,733,512,228

Parsons Government Services Inc.

Centreville, VA

Centreville, VA | 598 awards | Top agency Department of Defense | NAICS 541712

$2,901,835,400

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

$3,780,952,835

Dovel Technologies LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of the Interior | NAICS 541512

$966,380,110

Hms Technologies, Inc.

Martinsburg, WV

Martinsburg, WV | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$381,414,966

Ecs Federal, LLC

Fairfax, VA

Fairfax, VA | 401 awards | Top agency Department of Defense | NAICS 541512

$1,775,749,641

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