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Department of the Interior NAICS 541611 and PSC R499 contractors in Virginia

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Deepest cross-filter overlap.

Virginia · Department of the Interior

Last updated: April 17, 2026

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$17,920,487,438

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Visible recipients tied to Department of the Interior, Virginia, NAICS 541611, and PSC R499

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$2,321,807,515

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$89,895,031

Magellan Federal, Inc.

Arlington, VA

Arlington, VA | 118 awards | Top agency Department of Defense | NAICS 624190

$1,025,519,996

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$805,509,282

Icf Incorporated, L.l.c.

Reston, VA

Reston, VA | 1,306 awards | Top agency Department of Health and Human Services | NAICS 541611

$4,343,277,583

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$520,078,107

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$1,668,271,158

Analytic Services Inc.

Arlington, VA

Arlington, VA | 91 awards | Top agency Department of Defense | NAICS 541611

$1,379,294,161

Ntt Data Federal Services, Inc.

Herndon, VA

Herndon, VA | 123 awards | Top agency Department of Justice | NAICS 541511

$250,445,653

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$68,053,355

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