Agency + PSC page

Department of the Interior PSC B510 contractors

SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. 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 7, 2026

Visible recipients

8

Mapped obligations

$170,667,906

Top NAICS links

4

Top recipients

Visible recipients tied to Department of the Interior and PSC B510

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.

$82,883,671

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.

$30,115,322

Michael Baker International Holdco Corporation

Moon Township, PA

Michael Baker International Holdco Corporation is a federal category business profile based in Moon Township, PA. The current public data layer shows $23,540,961 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 C219.

$1,689,369

Stantec Consulting Services Inc.

Denver, CO

Stantec Consulting Services Inc. is a federal category business profile based in Denver, CO. The current public data layer shows $21,902,417 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C219.

$51,198,742

Hntb Corporation

Kansas City, MO

Hntb Corporation is a federal category business profile based in Kansas City, MO. The current public data layer shows $9,125,265 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$2,853,066

Wsp USA Buildings INC

New York, NY

Wsp USA Buildings INC is a federal category business profile based in New York, NY. The current public data layer shows $8,064,949 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 C211.

$746,106

Brown And Caldwell

San Diego, CA

Brown And Caldwell is a federal category business profile based in San Diego, CA. The current public data layer shows $3,910,103 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 C211.

$1,177,261

Smithgroup Michigan Incorporated

Detroit, MI

Smithgroup Michigan Incorporated is a federal category business profile based in Detroit, MI. The current public data layer shows $274,279 in visible federal obligations across 5 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C130.

$4,369