Tri-State Supply - Quality Products and Service Guaranteed
Your Best Source For
  FLANGES
  LONG WELD NECKS
  FORGINGS
  O-LETS
  WELD FITTINGS
  FORGED STEEL FITTINGS
  SPECIALTY PRODUCTS
  PIPE
  MALLEABLE IRON
  STUD BOLTS
  VALVES
  NIPPLES
  GASKETS
  SWAGES
ABOUT US
Established in 1981, Tri-State began with a strong foundation - one based on extensive knowledge and experience in and of the supply business, as well as a promise of quality products and service to our customers. That knowledge and experience is an important ingredient in Tri-State's success, and the promise of quality products and service continues today.
We take pride in stocking only products made by leading manufacturers of flanges, weld fittings, long weld necks, pressure fittings, valves, and specialty products. And we understand our customers' need for prompt and reliable service. 
Our client base represents a wide variety of businesses.  We provide materials for manufacturers of heat exchangers, pressure vessels, skid mounted pumping stations, petrochemical plants, refineries, and oil service companies. With experienced sales representatives on staff, Tri-State can assist a wide variety of customers with a wide variety of needs.
In the spring of 2014, we broke ground on a new office and warehouse on the same lot. We moved into our new facilities in December 2014. We will continue to stock the same quality products, but now even more of it. We look forward to extending our 33-plus-year history of providing quality products and service. We invite you to visit our new office and warehouse at 6214 N. Houston Rosslyn in Houston, and we look forward to working with you.

 

NEW OFFICE. NEW WAREHOUSE. MORE INVENTORY.