Agency + NAICS page

Department of Defense NAICS 541611 contractors

Administrative Management and General Management Consulting Services. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

233

Mapped obligations

$48,903,244,365

Visible recipients tied to Department of Defense and NAICS 541611

Gardaworld Federal Services LLC

Arlington, VA

Arlington, VA | 72 awards | Top agency Department of State | NAICS 561612

$1,038,280

Amentum National Security Programs, INC

Chantilly, VA

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

$88,400,242

Pae Government Services, Inc.

Chantilly, VA

Chantilly, VA | 943 awards | Top agency Department of State | NAICS 561210

$477,820,909

Gilbane Building Company

Baltimore, MD

Baltimore, MD | 5 awards | Top agency Department of Health and Human Services | NAICS 236220

$20,754,493

Magellan Federal, Inc.

Arlington, VA

Arlington, VA | 118 awards | Top agency Department of Defense | NAICS 624190

$352,945,827

United Concordia Companies, Inc.

Camp Hill, PA

Camp Hill, PA | 24 awards | Top agency Department of Defense | NAICS 524114

$1,222,053

Systems Planning And Analysis, Inc.

Alexandria, VA

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

$265,358,596

Icf Incorporated, L.l.c.

Reston, VA

Reston, VA | 1,306 awards | Top agency Department of Health and Human Services | NAICS 541611

$2,863,077,854

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$789,340,923

It Concepts, Inc.

Mclean, VA

Mclean, VA | 98 awards | Top agency Department of Veterans Affairs | NAICS 541512

$21,718,395

Page 3 of 24Prev 1 2 3 4...24 Next

Agency profile

Loading buyer-level contractor and category paths