Agency + PSC page

Department of Homeland Security PSC Z1AA contractors

MAINTENANCE OF OFFICE BUILDINGS. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of Homeland Security.

Agency: Department of Homeland Security
Last updated: April 8, 2026

Visible recipients

9

Mapped obligations

$818,168,649

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Homeland Security 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.

$328,521,444

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.

$184,027,028

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.

$23,572,113

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.

$240,358,080

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.

$16,088,364

Gray Construction, Inc.

Lexington, KY

Gray Construction, Inc. is a federal category business profile based in Lexington, KY. The current public data layer shows $3,611,286 in visible federal obligations across 5 awards or transactions. Department of Defense 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 Y1EB.

$6,478,785

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.

$23,916

Max Gray Construction, Inc.

Hibbing, MN

Max Gray Construction, Inc. is a federal category business profile based in Hibbing, MN. The current public data layer shows $2,088,100 in visible federal obligations across 10 awards or transactions. Department of Defense 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 Y1EB.

$6,478,785

Ahtna Design-build INC

West Sacramento, CA

Ahtna Design-build INC is a federal 8a program participant profile based in West Sacramento, CA. The current public data layer shows $2,082,852 in visible federal obligations across 10 awards or transactions. Department of Defense 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 Y1JZ.

$12,620,134