PSC Y1BA federal contractors, buyers, and awards

CONSTRUCTION OF AIR TRAFFIC CONTROL TOWERS. Use this PSC page to review visible contractors, buyer overlap, and award concentration in this product or service lane.

Category code: Y1BA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$279,219,927

Buyer overlap

Top recipients

Recipients active in this PSC lane

Walsh Federal LLC

Chicago, IL

Top buyer: Department of DefenseRecent award: 2025-11-18

$242,587,169

Walsh Federal Joint Venture

Chicago, IL

Top buyer: Department of DefenseRecent award: 2019-11-15

$36,583,343

Lummi Nation

Bakerview, WA

Top buyer: Department of Housing and Urban DevelopmentRecent award: 2020-07-02

$49,415

Browse by dimension

State, agency, and industry paths

States

Illinois

2 recipients · $737,962,479

Washington

1 recipients · $1,088,373

Agencies

Department of Defense

Open the agency-scoped PSC view.

Department of Housing and Urban Development

Open the agency-scoped PSC view.

NAICS

NAICS 236220

3 recipients · $2,590,966,955

NAICS 236210

2 recipients · $343,079,888

NAICS 541990

2 recipients · $639,357

Explore rankings

Ranking paths for PSC Y1BA

Top Recipients Top Awards Top States Top NAICS Illinois view Department of Defense view Illinois + NAICS 236220 Department of Defense + NAICS 236220 Department of Defense top NAICS Illinois top NAICS Illinois + Department of Defense top PSC Illinois + Department of Defense + NAICS 236220

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