NAICS 541990 and PSC R799 contractors

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

NAICS 541990 + PSC R799

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,920,270,360

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC R799 overlap

Qlarant Integrity Solutions LLC

Easton, MD

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

$1,127,753,489

Black & Veatch Special Projects Corp.

Overland Park, KS

Overland Park, KS | 145 awards | Top agency Department of Defense | NAICS 541330

$645,538,851

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

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

$90,281,644

The Lewin Group, Inc.

La Crosse, WI

La Crosse, WI | 82 awards | Top agency Department of Health and Human Services | NAICS 541720

$64,785,347

Koniag Management Solutions LLC

Anchorage, AK

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

$58,339,891

Asrc Federal Professional Services, LLC

Beltsville, MD

Beltsville, MD | 54 awards | Top agency Department of Defense | NAICS 561611

$45,119,171

Integrated Finance And Accounting Solutions, Llc.

Washington, DC

Washington, DC | 193 awards | Top agency Department of State | NAICS 541219

$27,977,558

Alutiiq Solutions, LLC

Anchorage, AK

Anchorage, AK | 72 awards | Top agency Department of State | NAICS 541618

$95,109,953

Prometheus Federal Services LLC

Chantilly, VA

Chantilly, VA | 95 awards | Top agency Department of Veterans Affairs | NAICS 561320

$17,794,110

Digital Management LLC

Mc Lean, VA

Mc Lean, VA | 73 awards | Top agency Department of Defense | NAICS 541512

$236,099,248

Page 2 of 4Prev 1 2 3 4 Next

NAICS page

Loading industry-code contractor and award paths