NAICS + PSC page

NAICS 518210 and PSC R499 contractors

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code contractor overlap.

NAICS 518210 + PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$8,714,930,135

State overlap

Top recipients

Visible recipients in the NAICS 518210 and PSC R499 overlap

Westat, Inc.

Bethesda, MD

Bethesda, MD | 469 awards | Top agency Department of Health and Human Services | NAICS 541720

$1,388,938,511

Chenega Government Consulting, LLC

Chesapeake, VA

Chesapeake, VA | 5 awards | Top agency Department of Energy | NAICS 541512

$169,669,113

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$630,873,004

Peraton Technology Services Inc.

Chantilly, VA

Chantilly, VA | 259 awards | Top agency General Services Administration | NAICS 541330

$1,069,308,538

Visionary Integration Professionals LLC

Folsom, CA

Folsom, CA | 15 awards | Top agency Department of Homeland Security | NAICS 541512

$62,989,277

Guidehouse Digital LLC

Mc Lean, VA

Mc Lean, VA | 389 awards | Top agency Department of Homeland Security | NAICS 541512

$339,152,248

Kadiak LLC

Anchorage, AK

Anchorage, AK | 175 awards | Top agency Department of Defense | NAICS 541611

$157,920,766

Qlarant Integrity Solutions LLC

Easton, MD

Easton, MD | 24 awards | Top agency Department of Health and Human Services | NAICS 541990

$1,057,398,611

Acumen LLC

Burlingame, CA

Burlingame, CA | 73 awards | Top agency Department of Health and Human Services | NAICS 541611

$847,005,960

Koniag Professional Services, LLC

Anchorage, AK

Anchorage, AK | 108 awards | Top agency Department of Defense | NAICS 541611

$58,257,038

Page 1 of 41 2 3 4 Next

NAICS page

Loading industry-code contractor and award paths