Department of Defense NAICS 221112 and PSC R499 contractors

Fossil Fuel Electric Power Generation. SUPPORT- PROFESSIONAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 221112 · PSC R499

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$391,615,965

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 221112 and PSC R499

Constellation Newenergy, Inc.

Baltimore, MD

Constellation Newenergy, Inc. is a federal category business profile based in Baltimore, MD. The current public data layer shows $113,370,757 in visible federal obligations across 265 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC S112.

$391,615,965