Department of Homeland Security NAICS 541330 and PSC C211 contractors

Engineering Services. ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC C211

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$2,347,542,277

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC C211

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Saint Petersburg, FL | 132 awards | Top agency Department of the Interior | NAICS 541360

$67,197,489

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$792,220,870

Waller, Todd & Sadler, A Woolpert Company, LLC

Virginia Beach, VA

Virginia Beach, VA | 5 awards | Top agency Department of Defense | NAICS 541310

$29,096,221

Gannett Fleming, Inc.

Camp Hill, PA

Camp Hill, PA | 5 awards | Top agency Department of Defense | NAICS 541512

$23,669,234

Moffatt & Nichol

Long Beach, CA

Long Beach, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$338,510,706

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$482,765,685

Huitt-zollars, Inc.

Fort Worth, TX

Fort Worth, TX | 5 awards | Top agency Department of Defense | NAICS 541330

$36,983,438

Aecom Services, LLC

Arlington, VA

Arlington, VA | 82 awards | Top agency Department of Defense | NAICS 541330

$289,585,854

Atkins North America, Inc.

Dallas, TX

Dallas, TX | 8 awards | Top agency Department of Defense | NAICS 541330

$195,805,508

Halff Associates, Inc.

Richardson, TX

Richardson, TX | 5 awards | Top agency Department of Defense | NAICS 541330

$67,057,352

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