Agency + NAICS page

Department of Defense NAICS 221210 contractors

Natural Gas Distribution. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Defense.

Agency: Department of Defense
Last updated: April 3, 2026

Visible recipients

3

Mapped obligations

$93,424,760

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 221210

Constellation Newenergy, Inc.

Baltimore, MD

Constellation Newenergy, Inc. is a federal category business profile based in Baltimore, MD. The current public data layer shows $112,695,757 in visible federal obligations across 262 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.

$10,773,983

Constellation Newenergy - Gas Division, LLC

Louisville, KY

Constellation Newenergy - Gas Division, LLC is a federal category business profile based in Louisville, KY. The current public data layer shows $5,880,461 in visible federal obligations across 81 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 221210 (Natural Gas Distribution). The profile also shows meaningful product and service activity in PSC S111.

$79,649,752

Ameresco Federal Solutions, Inc.

Farmingham, MA

Ameresco Federal Solutions, Inc. is a federal category business profile based in Farmingham, MA. The current public data layer shows $427,461 in visible federal obligations across 18 awards or transactions. Department of Homeland Security 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 B540.

$3,001,025