Department of Homeland Security NAICS 541330 and PSC R706 contractors

Engineering Services. SUPPORT- MANAGEMENT: LOGISTICS SUPPORT. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC R706

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$63,721,920,459

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC R706

General Dynamics Information Technology, Inc.

Falls Church, VA

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

$23,304,172,362

Amentum Services, Inc.

Chantilly, VA

Chantilly, VA | 1,909 awards | Top agency Department of Defense | NAICS 561210

$7,466,177,052

Vectrus Systems LLC

Colorado Springs, CO

Colorado Springs, CO | 1,224 awards | Top agency Department of Defense | NAICS 561210

$9,030,198,201

Mantech Systems Engineering Corporation

Fairfax, VA

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

$1,271,298,412

L3harris Technologies Integrated Systems L.p.

Greenville, TX

Greenville, TX | 403 awards | Top agency Department of Defense | NAICS 336413

$7,742,360,294

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$4,315,583,265

Alutiiq 3sg, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 541330

$225,273,940

Caci Technologies, LLC

Chantilly, VA

Chantilly, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$8,476,086,939

Strategic Technology Institute INC

Rockville, MD

Rockville, MD | 130 awards | Top agency Department of Defense | NAICS 336411

$142,689,400

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$53,850,000

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