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Department of State NAICS 541611 and PSC R408 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of State.

Department of State · NAICS 541611 · PSC R408
Last updated: April 8, 2026

Visible recipients

36

Mapped obligations

$14,335,991,571

State overlap

4

Top recipients

Visible recipients in the Department of State overlap of NAICS 541611 and PSC R408

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 $3,822,354,482 in visible federal obligations across 3,325 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.

$4,923,476,462

Amentum Government Services, Inc.

Chantilly, VA

Amentum Government Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,102,374,198 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 811118 (Other Automotive Mechanical and Electrical Repair and Maintenance). The profile also shows meaningful product and service activity in PSC J023.

$293,224,266

Pae Government Services, Inc.

Chantilly, VA

Pae Government Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $390,273,510 in visible federal obligations across 943 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 S216.

$1,838,977,675

Sos International LLC

Reston, VA

Sos International LLC is a federal category business profile based in Reston, VA. The current public data layer shows $176,763,965 in visible federal obligations across 138 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 M1FC.

$287,900,013

Mantech Information Systems & Technology Corporation

Fairfax, VA

Mantech Information Systems & Technology Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $165,706,223 in visible federal obligations across 5 awards or transactions. Department of Justice 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 D399.

$85,101,912

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.

$2,807,918,222

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.

$593,038,538

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.

$110,150,463

Koniag Data Solutions LLC

Anchorage, AK

Koniag Data Solutions LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $80,849,687 in visible federal obligations across 129 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R499.

$46,333,760

Alutiiq Information Management, LLC

Anchorage, AK

Alutiiq Information Management, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $70,909,730 in visible federal obligations across 114 awards or transactions. Department of State 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 S216.

$186,936,972
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