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Department of Energy NAICS 541990 and PSC H222 contractors

All Other Professional, Scientific, and Technical Services. EQUIPMENT AND MATERIALS TESTING- RAILWAY EQUIPMENT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Energy.

Department of Energy · NAICS 541990 · PSC H222
Last updated: April 8, 2026

Visible recipients

1

Mapped obligations

$301,754,786

State overlap

1

Top recipients

Visible recipients in the Department of Energy overlap of NAICS 541990 and PSC H222