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Department of Homeland Security NAICS 561210 and PSC Z1AA contractors

Facilities Support Services. MAINTENANCE OF OFFICE BUILDINGS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 561210 · PSC Z1AA
Last updated: April 8, 2026

Visible recipients

6

Mapped obligations

$2,620,385,939

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561210 and PSC Z1AA

Tatitlek Technologies, LLC

Anchorage, AK

Tatitlek Technologies, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $85,279,793 in visible federal obligations across 229 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC Z1AA.

$683,245,217

Lb & B Associates INC

Columbia, MD

Lb & B Associates INC is a federal category business profile based in Columbia, MD. The current public data layer shows $72,461,078 in visible federal obligations across 249 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC J069.

$909,060,162

Chenega Tri-services, LLC

San Antonio, TX

Chenega Tri-services, LLC is a federal 8a program participant profile based in San Antonio, TX. The current public data layer shows $35,476,087 in visible federal obligations across 27 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 621111 (Offices of Physicians (except Mental Health Specialists)). The profile also shows meaningful product and service activity in PSC Q403.

$103,353,697

Jones Lang Lasalle Americas, Inc.

Washington, DC

Jones Lang Lasalle Americas, Inc. is a federal category business profile based in Washington, DC. The current public data layer shows $31,315,334 in visible federal obligations across 191 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$694,647,869

Aleut O&m Services, LLC

Colorado Springs, CO

Aleut O&m Services, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $27,208,314 in visible federal obligations across 56 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC M1AZ.

$230,031,162

Ryan Companies US INC

Minneapolis, MN

Ryan Companies US INC is a federal category business profile based in Minneapolis, MN. The current public data layer shows $2,279,437 in visible federal obligations across 5 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z111.

$47,832