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

Alutiiq 3sg, LLC

Anchorage, AK

Alutiiq 3sg, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $494,878,495 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 R706.

$123,849,633

Tetra Tech Ec, Inc.

San Diego, CA

Tetra Tech Ec, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $418,648,162 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 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$83,865,987

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 $390,077,249 in visible federal obligations across 946 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.

$595,486,483

Ecc International, LLC

Burlingame, CA

Ecc International, LLC is a federal category business profile based in Burlingame, CA. The current public data layer shows $374,253,810 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 S216.

$37,480

Bae Systems Information & Electronic Systems Integration INC

Hudson, NH

Bae Systems Information & Electronic Systems Integration INC is a federal category business profile based in Hudson, NH. The current public data layer shows $325,174,437 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336414 (Guided Missile and Space Vehicle Manufacturing). The profile also shows meaningful product and service activity in PSC 1420.

$89,968,974

Cae USA Inc.

Arlington, TX

Cae USA Inc. is a federal category business profile based in Arlington, TX. The current public data layer shows $218,584,553 in visible federal obligations across 158 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336413 (Other Aircraft Parts and Auxiliary Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC 6910.

$937,226,255

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.

$2,269,677,772

Siemens Government Technologies INC

Arlington, VA

Siemens Government Technologies INC is a federal category business profile based in Arlington, VA. The current public data layer shows $111,989,171 in visible federal obligations across 227 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 N059.

$693,128,234

Burns & Mcdonnell Engineering Company, Inc.

Kansas City, MO

Burns & Mcdonnell Engineering Company, Inc. is a federal category business profile based in Kansas City, MO. The current public data layer shows $108,555,398 in visible federal obligations across 319 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.

$1,155,098,296

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 $71,194,730 in visible federal obligations across 115 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.

$224,845,358
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