Serving Greater Cincinnati since 1881

The voice of Cincinnati's plumbing trade.

CMPA unites master plumbers, contractors, and apprentices through training, certification, advocacy, and community. Join the association built by the trade, for the trade.

140+

Years strong

100+

Member companies

500+

Apprentices trained

Why join CMPA

Built for plumbing companies that want to
lead.

From the small shop to the largest mechanical contractors in town, CMPA
members get the training, connections, and advocacy that keep their crews
sharp and their business growing.

Networking

Connect with the region’s top plumbing contractors, suppliers, and industry partners.

Training & CE

Continuing education, code updates, and licensing prep led by experienced master plumbers.

Advocacy

A unified voice representing the trade with local boards, inspectors, and lawmakers.

Certification

CEU / Backflow certification and re-cert programs trusted across the Tri-State.

Build your next generation of plumbers through our DOL-recognized apprentice program.

Member meetings, training nights, golf outing, and family events all year.

Apprenticeship

Train the next generation of
master plumbers.

The CMPA Apprentice Program is a U.S. Department of Labor recognized five-year program combining paid on-the-job training with classroom instruction at our Cincinnati training center.
Upcoming

Events & training

Reds Game — Guardians @ Reds

Great American Ball Park · 7:10 PM

CMPA Industry Expo Night

CMPA · 6:00 PM

Backflow Recertification

CMPA · 6:00 PM

Ready to join the Cincinnati plumbing
community?

Become a CMPA member today or sign up to receive event invites, training
schedules, and code updates in your inbox.
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