Agency + PSC page

Department of the Interior PSC C219 contractors

ARCHITECT AND ENGINEERING- GENERAL: OTHER. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of the Interior.

Agency: Department of the Interior
Last updated: April 8, 2026

Visible recipients

29

Mapped obligations

$2,951,695,276

Top NAICS links

4

Top recipients

Visible recipients tied to Department of the Interior and PSC C219

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.

$56,506,696

Cianbro Corporation

Pittsfield, ME

Cianbro Corporation is a federal category business profile based in Pittsfield, ME. The current public data layer shows $103,751,152 in visible federal obligations across 16 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Z2ED.

$37,528,700

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Nv5 Geospatial, Inc. is a federal category business profile based in Saint Petersburg, FL. The current public data layer shows $90,434,064 in visible federal obligations across 132 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541360 (Geophysical Surveying and Mapping Services). The profile also shows meaningful product and service activity in PSC C219.

$439,890,457

Jacobs Government Services Company

Arlington, VA

Jacobs Government Services Company is a federal category business profile based in Arlington, VA. The current public data layer shows $85,879,287 in visible federal obligations across 238 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.

$280,205,149

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Wsp USA Environment & Infrastructure Inc. is a federal category business profile based in Blue Bell, PA. The current public data layer shows $75,668,109 in visible federal obligations across 309 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 Z2NA.

$134,625,873

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 77 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.

$136,952,143

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Hdr Environmental, Operations And Construction, Inc. is a federal category business profile based in Englewood, CO. The current public data layer shows $59,678,442 in visible federal obligations across 109 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 C211.

$175,866,862

Woolpert, Inc.

Beavercreek, OH

Woolpert, Inc. is a federal category business profile based in Beavercreek, OH. The current public data layer shows $53,524,547 in visible federal obligations across 89 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541360 (Geophysical Surveying and Mapping Services). The profile also shows meaningful product and service activity in PSC C219.

$363,801,682

Cdm Constructors Inc.

Boston, MA

Cdm Constructors Inc. is a federal category business profile based in Boston, MA. The current public data layer shows $43,166,535 in visible federal obligations across 31 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237110 (Water and Sewer Line and Related Structures Construction). The profile also shows meaningful product and service activity in PSC Y1NE.

$90,416,860

Wsp USA Solutions INC

Arlington, VA

Wsp USA Solutions INC is a federal category business profile based in Arlington, VA. The current public data layer shows $36,524,205 in visible federal obligations across 228 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.

$176,987,795
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