Agency + NAICS + PSC page

General Services Administration NAICS 541330 and PSC 5810 contractors

Engineering Services. COMMUNICATIONS SECURITY EQUIPMENT AND COMPONENTS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 541330 · PSC 5810
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$7,255,702,723

State overlap

3

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541330 and PSC 5810

L3harris Technologies, Inc.

Rochester, NY

L3harris Technologies, Inc. is a federal category business profile based in Rochester, NY. The current public data layer shows $696,204,644 in visible federal obligations across 670 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334220 (Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC 5820.

$6,792,254,106

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

Mantech Mission, Cyber And Technology Solutions, Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $407,177,745 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 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$123,263,959

Sigma Defense Systems LLC

Perry, GA

Sigma Defense Systems LLC is a federal category business profile based in Perry, GA. The current public data layer shows $101,225,106 in visible federal obligations across 132 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334290 (Other Communications Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC R425.

$339,382,549

Telos Corporation (california)

Ashburn, VA

Telos Corporation (california) is a federal category business profile based in Ashburn, VA. The current public data layer shows $7,193,604 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 511210 (Software Publishers). The profile also shows meaningful product and service activity in PSC D399.

$802,109