General Services Administration PSC Y1JZ contractors

CONSTRUCTION OF MISCELLANEOUS BUILDINGS. Contractors in this PSC lane under General Services Administration.

Agency: General Services Administration

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$12,141,246,341

Visible recipients tied to General Services Administration and PSC Y1JZ

Constellation Newenergy, Inc.

Baltimore, MD

Baltimore, MD | 265 awards | Top agency General Services Administration | NAICS 541330

$19,980,852

Relyant Global LLC

Maryville, TN

Maryville, TN | 66 awards | Top agency Department of Defense | NAICS 236220

$62,748,261

Olgoonik Enterprises, LLC

Colorado Springs, CO

Colorado Springs, CO | 291 awards | Top agency Department of Defense | NAICS 236220

$86,783,092

Olgoonik General, LLC

Anchorage, AK

Anchorage, AK | 143 awards | Top agency Department of Health and Human Services | NAICS 236220

$86,331,235

Tunista Construction LLC

Tacoma, WA

Tacoma, WA | 5 awards | Top agency Department of Defense | NAICS 236220

$7,602,599

Cdm Constructors Inc.

Boston, MA

Boston, MA | 31 awards | Top agency Department of Defense | NAICS 237110

$140,687,552

Gilbane Federal

Concord, CA

Concord, CA | 58 awards | Top agency Department of Defense | NAICS 236220

$776,588,945

J & J Contractors, Inc.

North Billerica, MA

North Billerica, MA | 16 awards | Top agency Department of Defense | NAICS 236220

$52,685,780

Hitt Contracting, Inc.

Falls Church, VA

Falls Church, VA | 33 awards | Top agency Department of Defense | NAICS 236220

$44,899,346

Messer Construction CO

Cincinnati, OH

Cincinnati, OH | 75 awards | Top agency Department of Defense | NAICS 236220

$332,874,486

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