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Department of Health and Human Services NAICS 541330 and PSC C211 contractors

Engineering Services. ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Health and Human Services.

Department of Health and Human Services · NAICS 541330 · PSC C211
Last updated: April 7, 2026

Visible recipients

6

Mapped obligations

$2,383,922,843

State overlap

4

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541330 and PSC C211

Exp Federal Inc.

Chicago, IL

Exp Federal Inc. is a federal category business profile based in Chicago, IL. The current public data layer shows $33,712,210 in visible federal obligations across 62 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.

$218,878,008

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.

$780,527,842

Hdr Architecture, Inc.

Arlington, VA

Hdr Architecture, Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $17,445,033 in visible federal obligations across 51 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.

$1,011,345,311

Smithgroup, Inc.

Washington, DC

Smithgroup, Inc. is a federal category business profile based in Washington, DC. The current public data layer shows $11,159,816 in visible federal obligations across 83 awards or transactions. Social Security Administration 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.

$293,752,299

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.

$12,362,031

Halff Associates, Inc.

Richardson, TX

Halff Associates, Inc. is a federal category business profile based in Richardson, TX. The current public data layer shows $247,820 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 C1JZ.

$67,057,352