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PSC F999 federal contractors, buyers, and awards

OTHER ENVIRONMENTAL SERVICES. Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: F999

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$6,058,294,971

Buyer overlap

Top recipients

Recipients active in this PSC lane

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Top buyer: Department of DefenseRecent award: 2027-09-26

$600,988,011

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Top buyer: Department of the InteriorRecent award: 2026-03-31

$14,059,450

Kawerak, Inc.

Nome, AK

Top buyer: Department of the InteriorRecent award: 2022-02-28

$925

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Top buyer: Department of DefenseRecent award: 2026-03-06

$239,495,810

Calibre Systems INC

Alexandria, VA

Top buyer: Department of DefenseRecent award: 2026-05-18

$129,874,705

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Top buyer: Department of EnergyRecent award: 2025-12-01

$323,341,736

Oglala Sioux Tribe

Pine Ridge, SD

Top buyer: Department of the InteriorRecent award: 2025-09-24

$2,194,591

Sealaska Environmental Services, LLC

Juneau, AK

Top buyer: Department of DefenseRecent award: 2019-07-05

$54,544,148

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Top buyer: Department of DefenseRecent award: 2025-12-11

$116,132,797

Shoshone Bannock Tribes

Fort Hall, ID

Top buyer: Department of the InteriorRecent award: 2026-02-11

$55,055

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State, agency, and industry paths

States

California

6 recipients · $1,151,104,014

Oklahoma

3 recipients · $527,583,384

Alaska

8 recipients · $373,580,864

Texas

1 recipients · $335,293,840

South Carolina

2 recipients · $235,080,308

Pennsylvania

3 recipients · $221,412,944

Agencies

Department of Defense