Department of Homeland Security NAICS 541611 and PSC Z1AA contractors

Administrative Management and General Management Consulting Services. MAINTENANCE OF OFFICE BUILDINGS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC Z1AA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,102,462,600

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC Z1AA

Tatitlek Technologies, LLC

Anchorage, AK

Anchorage, AK | 238 awards | Top agency Department of State | NAICS 561210

$378,204,946

Jones Lang Lasalle Americas, Inc.

Washington, DC

Washington, DC | 191 awards | Top agency Department of Defense | NAICS 541611

$724,233,738

Ryan Companies US INC

Minneapolis, MN

Minneapolis, MN | 5 awards | Top agency General Services Administration | NAICS 236220

$23,916

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