Welcome to Couplings Company!

We have been manufacturing and supplying quality brass fittings since 1946. Today we carry over 8000 items, and supply fittings for customers in all 50 States. We stock full lines of brass flare, compression, pipe, garden and barb fittings. In addition, we carry stainless and plastic fittings, as well as valves, copper & plastic tubing, and brake lines. We can also manufacture many types of fittings to meet your specs and prints.

Thank you for visiting our site.


Pipe Fittings

Flare Fittings

Inverted Flare Fittings

Compression Fittings

Poly Tube Brass Fittings

Poly Push Brass Fittings Non DOT

Truck Trans. Air Brake Fittings

Nylon Truck Air Brake Brass Fittings

Reusable Air Brake Hose Ends

Copper Tube Air Brake Fittings

Dot Push To Connect Fittings

Nylon Pipe Fittings

Garden Hose Fittings

Hose Barb Fittings

Steel Heater Hose Fittings

Grease Fittings

Steel Brake Lines

Air Cocks

Truck Valves

Needle Valves

Ball Valves

Shut-Off Cocks

Drain Valves

Tubing: Copper, Aluminum, Steel, Plastic



Fittings for Poly Tubing

Join our mailing list

Copyright @ 2009-2018,


These products contain lead and are not allowed by Federal Law to be installed for potable water use in the U.S.A. and its territories.

These products contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.