Department of Defense PSC Z299 contractors

MAINT, REP/ALTER/ALL OTHER. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$509,877,805

Visible recipients tied to Department of Defense and PSC Z299

Amentum Government Services, Inc.

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 811118

$20,656,820

Granite Construction Company

Watsonville, CA

Watsonville, CA | 56 awards | Top agency Department of Defense | NAICS 237310

$340,047,361

Tatitlek Training Services, Inc.

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 561210

$21,264,939

Skanska USA Civil Southeast Inc.

Maitland, FL

Maitland, FL | 5 awards | Top agency Department of Defense | NAICS 237990

$124,648

Mcc Construction Corporation

Lakewood, CO

Lakewood, CO | 5 awards | Top agency General Services Administration | NAICS 236220

$16,063,487

Knik Construction Co., Inc.

Seatac, WA

Seatac, WA | 20 awards | Top agency Department of Defense | NAICS 237310

$33,184,764

Marcon Engineering, INC

Escondido, CA

Escondido, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$9,225,618

Sealaska Environmental Services, LLC

Juneau, AK

Juneau, AK | 20 awards | Top agency Department of Defense | NAICS 562910

$8,275,143

Pojoaque Pueblo Service Corporation

Gallup, NM

Gallup, NM | 20 awards | Top agency Department of Defense | NAICS 237990

$16,011,509

Goldbelt Cedar, LLC

Gibsonia, PA

Gibsonia, PA | 5 awards | Top agency Department of Defense | NAICS 236220

$6,034,506

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