Home/Virginia/Department of State/NAICS 541512/PSC R499

State + agency + NAICS + PSC page

Department of State NAICS 541512 and PSC R499 contractors in Virginia

Computer Systems Design Services. SUPPORT- PROFESSIONAL: OTHER. Deepest cross-filter overlap.

Virginia · Department of State

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$71,161,763,119

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of State, Virginia, NAICS 541512, and PSC R499

Northrop Grumman Information Technology INC

Mclean, VA

Mclean, VA | 5 awards | Top agency Department of Defense | NAICS 541511

$818,555,537

General Dynamics Information Technology, Inc.

Falls Church, VA

Falls Church, VA | 3,177 awards | Top agency Department of Defense | NAICS 541512

$33,826,482,686

Science Applications International Corporation

Reston, VA

Reston, VA | 3,314 awards | Top agency Department of Defense | NAICS 541512

$18,441,839,851

Cgi Federal Inc.

Fairfax, VA

Fairfax, VA | 1,056 awards | Top agency Department of State | NAICS 541512

$5,655,887,334

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

$3,780,952,835

Guidehouse LLP

Mc Lean, VA

Mc Lean, VA | 134 awards | Top agency Department of State | NAICS 541611

$1,331,210,269

Metrostar Systems, LLC

Reston, VA

Reston, VA | 73 awards | Top agency Department of Defense | NAICS 541512

$353,780,732

Siemens Government Technologies INC

Arlington, VA

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

$944,060,776

Alpha Omega Integration LLC

Vienna, VA

Vienna, VA | 93 awards | Top agency Department of Homeland Security | NAICS 541512

$432,887,026

Microhealth LLC

Vienna, VA

Vienna, VA | 81 awards | Top agency Department of Health and Human Services | NAICS 541512

$345,270,427

Page 1 of 21 2 Next

State page

Loading state-level contractor and award paths