Department of the Interior NAICS 541990 contractors in Virginia

All Other Professional, Scientific, and Technical Services. Contractors in this state-buyer-industry overlap.

Virginia + Department of the Interior

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$2,535,099,201

Visible recipients tied to Department of the Interior, Virginia, and NAICS 541990

Caci Intelligence Solutions, LLC

Herndon, VA

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

$276,730,312

Modern Technology Solutions, Inc.

Alexandria, VA

Alexandria, VA | 285 awards | Top agency General Services Administration | NAICS 541712

$47,241,939

Systems Planning And Analysis, Inc.

Alexandria, VA

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

$289,742,292

Siemens Government Technologies INC

Arlington, VA

Arlington, VA | 227 awards | Top agency Department of Defense | NAICS 541512

$535,381,114

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$16,932,042

Mantech Srs Technologies, Inc.

Herndon, VA

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

$166,534,521

Calibre Systems INC

Alexandria, VA

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

$664,058,066

Analytic Services Inc.

Arlington, VA

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

$175,253,288

Tuvli LLC

Herndon, VA

Herndon, VA | 247 awards | Top agency Department of State | NAICS 541990

$206,081,138

Technatomy Corporation

Fairfax, VA

Fairfax, VA | 56 awards | Top agency Department of Veterans Affairs | NAICS 541512

$27,286,932

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