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Department of Homeland Security NAICS 541330 and PSC C219 contractors

Engineering Services. ARCHITECT AND ENGINEERING- GENERAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC C219
Last updated: April 8, 2026

Visible recipients

15

Mapped obligations

$4,969,763,140

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC C219

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.

$42,092,233

Huitt-zollars, Inc.

Fort Worth, TX

Huitt-zollars, Inc. is a federal category business profile based in Fort Worth, TX. The current public data layer shows $18,471,942 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.

$25,256,829

Aecom Services, LLC

Arlington, VA

Aecom Services, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $7,907,100 in visible federal obligations across 82 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.

$321,216,047

Atkins North America, Inc.

Dallas, TX

Atkins North America, Inc. is a federal category business profile based in Dallas, TX. The current public data layer shows $732,372 in visible federal obligations across 8 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.

$166,091,736

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.

$63,009,839
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