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Department of the Interior NAICS 541310 and PSC R425 contractors

Architectural Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 541310 · PSC R425
Last updated: April 7, 2026

Visible recipients

5

Mapped obligations

$181,970,288

State overlap

4

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541310 and PSC R425

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Ea Engineering, Science, And Technology, Inc., Pbc is a federal category business profile based in Hunt Valley, MD. The current public data layer shows $92,540,844 in visible federal obligations across 522 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 F999.

$148,076,663

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.

$259,876

Kimley-horn And Associates INC

Raleigh, NC

Kimley-horn And Associates INC is a federal category business profile based in Raleigh, NC. The current public data layer shows $15,182,762 in visible federal obligations across 24 awards or transactions. Department of Transportation 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 R408.

$13,805,852

Freese And Nichols, Inc.

Fort Worth, TX

Freese And Nichols, Inc. is a federal category business profile based in Fort Worth, TX. The current public data layer shows $5,596,956 in visible federal obligations across 5 awards or transactions. Department of Transportation 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.

$83,308

Mead & Hunt INC

Middleton, WI

Mead & Hunt INC is a federal category business profile based in Middleton, WI. The current public data layer shows $121,911 in visible federal obligations across 13 awards or transactions. Department of Defense 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 C211.

$19,744,589