Department of the Interior NAICS 541990 contractors

All Other Professional, Scientific, and Technical Services. Contractors in this NAICS lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 20, 2026

Visible recipients

Mapped obligations

$4,768,362,663

Visible recipients tied to Department of the Interior and NAICS 541990

Bearingpoint, Inc.

Dallas, TX

Dallas, TX | 5 awards | Top agency Agency for International Development | NAICS 541990

$583,103,698

Caci Intelligence Solutions, LLC

Herndon, VA

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

$276,730,312

Cherokee Nation Technology Solutions LLC

Tulsa, OK

Tulsa, OK | 20 awards | Top agency Department of Defense | NAICS 541620

$92,004,433

Modern Technology Solutions, Inc.

Alexandria, VA

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

$47,241,939

Applied Research Associates, Inc.

Albuquerque, NM

Albuquerque, NM | 564 awards | Top agency Department of Defense | NAICS 541712

$234,311,642

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

Acumen LLC

Burlingame, CA

Burlingame, CA | 73 awards | Top agency Department of Health and Human Services | NAICS 541611

$4,405,711

Janus Research Group, LLC

Evans, GA

Evans, GA | 103 awards | Top agency General Services Administration | NAICS 611430

$69,630,642

Akima Systems Engineering LLC

Herndon, VA

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

$16,932,042

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