Department of Homeland Security NAICS 541611 and PSC D399 contractors

Administrative Management and General Management Consulting Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$37,229,970,108

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC D399

Booz Allen Hamilton INC

Mclean, VA

Mclean, VA | 3,955 awards | Top agency Department of Defense | NAICS 541512

$16,261,585,170

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$3,681,431,134

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$11,763,169,146

Peraton Healthcare Solutions LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$140,024,113

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$418,926,963

Mantech Information Systems & Technology Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Justice | NAICS 541611

$130,278,285

Macaulay-brown, Inc.

Dayton, OH

Dayton, OH | 5 awards | Top agency General Services Administration | NAICS 541511

$500

Reli Group INC

Windsor Mill, MD

Windsor Mill, MD | 119 awards | Top agency Department of Health and Human Services | NAICS 541611

$464,181,790

Decisionpoint Corporation

Gaithersburg, MD

Gaithersburg, MD | 120 awards | Top agency Department of Defense | NAICS 541513

$27,312,520

Ntt Data Federal Services, Inc.

Herndon, VA

Herndon, VA | 123 awards | Top agency Department of Justice | NAICS 541511

$349,788,949

Page 1 of 41 2 3 4 Next

Agency profile

Loading buyer-level contractor and category paths