Treaty Supply offers a wide variety of residential, commercial and industrial plumbing / HVAC products and services.  With more than 352 years of combined staff experience, we know our stuff and we’re proud to share it with our community.

We take pride in our products – and we have an extensive inventory.  So when you need a water heater, furnace or anything else, we’ll have it!

We take pride in our customers – and we find solutions that get the job done right the first time.

We take pride in many other value added services like:

  • Online resources, including web order entry (place orders, check pricing & availability, download spec sheets) and bill pay
  • Fast and efficient counter sales
  • Free local delivery
  • Kitchen and bath showroom with the latest trends and brands

Treaty Supply is Darke County’s leading distributor of Plumbing and HVAC supplies.  We’ll be proud to offer our services to you.