Agency + NAICS page

General Services Administration NAICS 541330 contractors

Engineering Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under General Services Administration.

Agency: General Services Administration
Last updated: April 8, 2026

Visible recipients

220

Mapped obligations

$260,091,086,568

Top PSC links

4

Top recipients

Visible recipients tied to General Services Administration and NAICS 541330

Btas INC

Beavercreek, OH

Btas INC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $4,198,007 in visible federal obligations across 50 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R707.

$77,079,917

Apex Expert Solutions LLC

Chantilly, VA

Apex Expert Solutions LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $4,049,855 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 611699 (All Other Miscellaneous Schools and Instruction). The profile also shows meaningful product and service activity in PSC U099.

$0

Brown And Caldwell

San Diego, CA

Brown And Caldwell is a federal category business profile based in San Diego, CA. The current public data layer shows $3,910,103 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$3,941,395

Alluvionic INC

Melbourne, FL

Alluvionic INC is a federal 8a program participant profile based in Melbourne, FL. The current public data layer shows $3,883,489 in visible federal obligations across 33 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 R408.

$500

Navmar Applied Sciences CORP

Warminster, PA

Navmar Applied Sciences CORP is a federal category business profile based in Warminster, PA. The current public data layer shows $3,835,707 in visible federal obligations across 74 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AC63.

$55,141,537

Abm Industries INC

New York, NY

Abm Industries INC is a federal category business profile based in New York, NY. The current public data layer shows $3,787,904 in visible federal obligations across 8 awards or transactions. General Services Administration 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.

$7,565,617

B3h Corporation

Fort Walton Beach, FL

B3h Corporation is a federal category business profile based in Fort Walton Beach, FL. The current public data layer shows $3,705,395 in visible federal obligations across 29 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 R408.

$32,431,951

The Robins & Morton Group

Birmingham, AL

The Robins & Morton Group is a federal category business profile based in Birmingham, AL. The current public data layer shows $3,290,559 in visible federal obligations across 16 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 Z2AA.

$0

Abbott On Call, Inc.

Vienna, VA

Abbott On Call, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $2,793,351 in visible federal obligations across 22 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$47,741,985

Ironarch Technology LLC

Arlington, VA

Ironarch Technology LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $2,285,492 in visible federal obligations across 41 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R499.

$19,080,384
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