Department of the Interior NAICS 541519 and PSC R499 contractors

Other Computer Related Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541519 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,258,842,993

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541519 and PSC R499

Sierra7, Inc.

Mclean, VA

Mclean, VA | 141 awards | Top agency Department of Veterans Affairs | NAICS 541512

$105,368,496

A-tek, Inc.

Mc Lean, VA

Mc Lean, VA | 33 awards | Top agency Department of Health and Human Services | NAICS 541512

$127,705,424

Lcg Systems LLC

Rockville, MD

Rockville, MD | 40 awards | Top agency Department of Health and Human Services | NAICS 541512

$95,022,652

Chenega Professional & Technical Services LLC

Chesapeake, VA

Chesapeake, VA | 76 awards | Top agency Department of Defense | NAICS 541511

$125,268,588

T And T Consulting Services Inc.

Falls Church, VA

Falls Church, VA | 73 awards | Top agency Department of Defense | NAICS 541511

$73,299,514

Michael Baker International, Inc.

Moon Township, PA

Moon Township, PA | 58 awards | Top agency Department of Defense | NAICS 541330

$88,755,122

Ardent Management Consulting, LLC

Vienna, VA

Vienna, VA | 82 awards | Top agency Department of Homeland Security | NAICS 541511

$60,474,352

Goldbelt Nighthawk, LLC

Newport News, VA

Newport News, VA | 28 awards | Top agency Department of Defense | NAICS 541519

$85,073,865

Hntb Corporation

Kansas City, MO

Kansas City, MO | 24 awards | Top agency Department of Defense | NAICS 541330

$11,446,904

Netimpact Strategies INC

Herndon, VA

Herndon, VA | 45 awards | Top agency Department of Defense | NAICS 541519

$216,008,571

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