Department of State PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Contractors in this PSC lane under Department of State.

Agency: Department of State

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$24,711,158,540

Visible recipients tied to Department of State and PSC R499

Tatitlek Federal Services LLC

Anchorage, AK

Anchorage, AK | 230 awards | Top agency Department of State | NAICS 541611

$252,809,759

Counterpart International, Inc.

Washington, DC

Washington, DC | 5 awards | Top agency Agency for International Development | NAICS 541990

$9,556,747

The Mil Corporation

Bowie, MD

Bowie, MD | 189 awards | Top agency Department of Defense | NAICS 541519

$96,947,690

Microhealth LLC

Vienna, VA

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

$44,173,575

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$147,376,669

Akima Data Management LLC

Herndon, VA

Herndon, VA | 138 awards | Top agency Department of Defense | NAICS 541519

$67,423,597

Cherokee Nation System Solutions LLC

Tulsa, OK

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

$54,268,048

Muscogee Nation Business Enterprise

Okmulgee, OK

Okmulgee, OK | 20 awards | Top agency Department of Defense | NAICS 541519

$38,643,190

Chenega Naswik International LLC

Chantilly, VA

Chantilly, VA | 182 awards | Top agency Department of Defense | NAICS 561612

$3,444,126

Macro Solutions LLC

Arlington, VA

Arlington, VA | 11 awards | Top agency Department of Health and Human Services | NAICS 541611

$13,561,701

Page 3 of 7Prev 1 2 3 4 5 6 7 Next

Agency profile

Loading buyer-level contractor and category paths