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NAICS 541990 and PSC R499 contractors

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

NAICS 541990 + PSC R499

Last updated: April 17, 2026

Visible recipients

138

Mapped obligations

$47,382,104,220

State overlap

Top recipients

Visible recipients in the NAICS 541990 and PSC R499 overlap

Knowesis, Inc.

Fairfax, VA

Fairfax, VA | 39 awards | Top agency Department of Defense | NAICS 541611

$62,650,982

Bluepath Labs LLC

Washington, DC

Washington, DC | 104 awards | Top agency Department of Energy | NAICS 541990

$22,514,595

Healthcare Management Solutions, LLC

Fairmont, WV

Fairmont, WV | 23 awards | Top agency Department of Health and Human Services | NAICS 541611

$183,385,033

Aneon Brillient, LLC

Reston, VA

Reston, VA | 33 awards | Top agency Department of Health and Human Services | NAICS 541611

$5,523,157

Actionet INC

Vienna, VA

Vienna, VA | 50 awards | Top agency Department of Energy | NAICS 541512

$1,047,601,104

Cher-ae Heights Indian Community Of The Trinidad Rancheria

Trinidad, CA

Trinidad, CA | 35 awards | Top agency Department of the Interior | NAICS 541990

$193,022

Asrc Federal Data Networx, LLC

Beltsville, MD

Beltsville, MD | 20 awards | Top agency Department of Agriculture | NAICS 541519

$67,912,028

Aveshka, Inc.

Vienna, VA

Vienna, VA | 62 awards | Top agency Department of Health and Human Services | NAICS 541990

$156,876,080

Alabama Coushatta Tribe Of Texas

Livingston, TX

Livingston, TX | 82 awards | Top agency Department of Health and Human Services | NAICS 541620

$8,000

Blue Lake Rancheria

Blue Lake, CA

Blue Lake, CA | 57 awards | Top agency Department of the Interior | NAICS 541990

$163,200

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