Sub Finder · Maryland

Find HVAC and plumbing subcontractors in Maryland

Bidding a government job as the prime and need an HVAC and plumbing sub? See local businesses that listed themselves for primes, then send a Trade Package (your scope and deadline) and collect quotes in one place.

693 HVAC and plumbing subs in Maryland

  • 693 small businesses registered with the government (SAM.gov) for HVAC and plumbing work, including 152 veteran-owned, 131 SDVOSB, 149 WOSB, 42 8(a) and 19 HUBZone. See them by name, with their websites.
  • None listed on Contrax for quote requests yet: make a Trade Package and share the link with subs by text or email.
See HVAC and plumbing subs in Maryland →

Federal HVAC and plumbing work in Maryland

  • $59.2 million spent in October 2024 to September 2025, 46% through small-business set-asides.
  • Top buyers: Department of Defense, Department of Health and Human Services, Department of Commerce.
  • 51 companies hold active contracts here; 3 have a federal subcontracting plan.
  • 72 contracts worth $55.4 million end in the next 12 months and will be bid again.

Source: USAspending.gov federal award records.

Open HVAC and plumbing bids in Maryland →Who holds this work →

How it works

  1. Pick the bid or project and describe the HVAC and plumbing scope and when you need quotes.
  2. Send it to listed subs, or share the link from your own phone or email with subs you already know.
  3. Subs send their quote on the page. Each one comes to your email and you reply to them directly.

Are you an HVAC and plumbing sub in Maryland? List your business for primes →