Department of State NAICS 541990 and PSC R425 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of State.

Department of State · NAICS 541990 · PSC R425

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,811,928,490

State overlap

Top recipients

Visible recipients in the Department of State overlap of NAICS 541990 and PSC R425

Mantech Systems Engineering Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$461,632,571

Siemens Government Technologies INC

Arlington, VA

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

$828,871,946

Cherokee Nation System Solutions LLC

Tulsa, OK

Tulsa, OK | 511 awards | Top agency Department of State | NAICS 561210

$84,639,539

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$53,077,790

Jefferson Consulting Group LLC

Washington, DC

Washington, DC | 103 awards | Top agency Agency for International Development | NAICS 541611

$83,050,917

Digital Consultants, LLC

Alexandria, VA

Alexandria, VA | 84 awards | Top agency Department of Defense | NAICS 541512

$8,438,580

Actionet INC

Vienna, VA

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

$256,851,605

Nv5 Consultants, Inc.

Saint Paul, MN

Saint Paul, MN | 31 awards | Top agency Department of State | NAICS 541330

$35,365,542

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