Department of the Interior PSC Z1AA contractors

MAINTENANCE OF OFFICE BUILDINGS. Contractors in this PSC lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$334,037,000

Visible recipients tied to Department of the Interior and PSC Z1AA

Lb & B Associates INC

Columbia, MD

Columbia, MD | 249 awards | Top agency Department of Defense | NAICS 561210

$184,027,028

Chenega Tri-services, LLC

San Antonio, TX

San Antonio, TX | 25 awards | Top agency Department of Defense | NAICS 621111

$23,572,113

Northern Cheyenne Contractors

Buckeye, AZ

Buckeye, AZ | 20 awards | Top agency General Services Administration | NAICS 236220

$10,264,576

Msmm Huitt-zollars A Joint Venture LLC

New Orleans, LA

New Orleans, LA | 18 awards | Top agency Department of Defense | NAICS 541330

$45,451

Hensel Phelps Services LLC

Greeley, CO

Greeley, CO | 8 awards | Top agency Social Security Administration | NAICS 238220

$16,488,355

Abm Industries INC

New York, NY

New York, NY | 8 awards | Top agency General Services Administration | NAICS 561210

$86,794,361

Ryan Companies US INC

Minneapolis, MN

Minneapolis, MN | 5 awards | Top agency General Services Administration | NAICS 236220

$23,916

Ahtna Design-build INC

West Sacramento, CA

West Sacramento, CA | 10 awards | Top agency Department of Defense | NAICS 236220

$12,620,134

Venesco Construction Management LLC

Chantilly, VA

Chantilly, VA | 14 awards | Top agency Department of State | NAICS 236220

$188,419

Eklutna INC

Eagle River, AK

Eagle River, AK | 20 awards | Top agency General Services Administration | NAICS 236220

$12,647

Agency profile

Loading buyer-level contractor and category paths