Agency + PSC page

Department of State PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of State.

Agency: Department of State
Last updated: April 6, 2026

Visible recipients

34

Mapped obligations

$20,043,532,100

Top NAICS links

4

Top recipients

Visible recipients tied to Department of State and PSC R499

Northrop Grumman Information Technology INC

Mclean, VA

Northrop Grumman Information Technology INC is a federal category business profile based in Mclean, VA. The current public data layer shows $5,292,888,255 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 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D399.

$418,398,148

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.

$10,409,732,175

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.

$4,067,361,331

Cgi Federal Inc.

Fairfax, VA

Cgi Federal Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,376,708,353 in visible federal obligations across 1,052 awards or transactions. Department of State 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.

$790,411,841

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.

$1,244,128,681

Alutiiq International Solutions, LLC

Anchorage, AK

Alutiiq International Solutions, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $655,714,507 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 Y119.

$64,705,849

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.

$38,770,483

Goldbelt Wolf, LLC

Alexandria, VA

Goldbelt Wolf, LLC is a federal 8a program participant profile based in Alexandria, VA. The current public data layer shows $417,396,253 in visible federal obligations across 5 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 332995 (Other Ordnance and Accessories Manufacturing). The profile also shows meaningful product and service activity in PSC 1010.

$50,172,198

Guidehouse LLP

Mc Lean, VA

Guidehouse LLP is a federal category business profile based in Mc Lean, VA. The current public data layer shows $140,750,981 in visible federal obligations across 132 awards or transactions. Department of State 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.

$993,223,255

Tetra Tech, Inc.

Pasadena, CA

Tetra Tech, Inc. is a federal category business profile based in Pasadena, CA. The current public data layer shows $130,835,501 in visible federal obligations across 260 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 C219.

$373,572,423
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