Department of the Interior NAICS 541990 and PSC C219 contractors

All Other Professional, Scientific, and Technical Services. ARCHITECT AND ENGINEERING- GENERAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541990 · PSC C219

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$480,292,597

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541990 and PSC C219

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$303,486,664

Power Engineers INC

Hailey, ID

Hailey, ID | 19 awards | Top agency Department of Defense | NAICS 541330

$80,589,765

Prairie Band Potawatomi Nation

Mayetta, KS

Mayetta, KS | 103 awards | Top agency Department of Health and Human Services | NAICS 541990

$1,293,725

Etrac, A Woolpert Company

San Rafael, CA

San Rafael, CA | 17 awards | Top agency Department of Commerce | NAICS 541370

$69,472,271

Page Southerland Page, Inc.

Albany, NY

Albany, NY | 5 awards | Top agency Department of State | NAICS 541310

$25,450,172

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