Agency + NAICS page

Department of State NAICS 541330 contractors

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

Agency: Department of State
Last updated: April 5, 2026

Visible recipients

32

Mapped obligations

$52,860,422,245

Top PSC links

4

Top recipients

Visible recipients tied to Department of State and NAICS 541330

General Dynamics Information Technology, Inc.

Falls Church, VA

General Dynamics Information Technology, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $4,247,568,500 in visible federal obligations across 3,214 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$19,012,462,018

Science Applications International Corporation

Reston, VA

Science Applications International Corporation is a federal category business profile based in Reston, VA. The current public data layer shows $3,816,048,111 in visible federal obligations across 3,367 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$13,513,627,583

Space Exploration Technologies Corp.

Hawthorne, CA

Space Exploration Technologies Corp. is a federal category business profile based in Hawthorne, CA. The current public data layer shows $3,575,332,503 in visible federal obligations across 404 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 481212 (Nonscheduled Chartered Freight Air Transportation). The profile also shows meaningful product and service activity in PSC V126.

$12,168,434

Peraton Inc.

Herndon, VA

Peraton Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $2,229,566,035 in visible federal obligations across 1,151 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.

$4,260,685,736

Vectrus Systems LLC

Colorado Springs, CO

Vectrus Systems LLC is a federal category business profile based in Colorado Springs, CO. The current public data layer shows $1,502,522,156 in visible federal obligations across 1,241 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 R706.

$1,113,822,030

Mantech Systems Engineering Corporation

Fairfax, VA

Mantech Systems Engineering Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,150,010,370 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 R425.

$1,121,327,149

Mantech Advanced Systems International, Inc.

Herndon, VA

Mantech Advanced Systems International, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $879,999,975 in visible federal obligations across 686 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.

$3,401,133,575

M1 Support Services, L.p.

Denton, TX

M1 Support Services, L.p. is a federal category business profile based in Denton, TX. The current public data layer shows $694,713,806 in visible federal obligations across 132 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 488190 (Other Support Activities for Air Transportation). The profile also shows meaningful product and service activity in PSC J015.

$8,850,755

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 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 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$105,425,422

Alutiiq Pacific, LLC

Anchorage, AK

Alutiiq Pacific, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $569,362,070 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 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R425.

$46,171,587
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