Couplings Company, Inc. is a leading supplier of quality brass-fittings. We have been in business for over 70 year (est. 1946). Today we warehouse over 8000 items, and we provide fittings for valued customers in all 50 United States, Europe and the Pacific Rim.   Our 50,000 square foot facility is strategically located just outside Chicago, in Lincolnshire, IL. It is from here that we are able to process orders at considerably lower freight costs for our customers. It also enhances our delivery times to both coasts.

Our primary lines include: Brass flare, compression, pipe, garden and barb fittings. We also carry fittings in plastic, stainless and cast brass; as well as valves, and copper & plastic tubing.  
We firmly believe that our greatest asset is our people. They’re not only knowledgeable; they also genuinely care about delivering an exceptional customer experience.   

Couplings Company, Inc. is a leading supplier of quality brass-fittings. We have been in business for over 70 year (est. 1946). Today we warehouse over 8000 items, and we provide fittings for valued customers in all 50 United States, Europe and the Pacific Rim.   Our 50,000 square foot facility is strategically located just outside Chicago, in Lincolnshire, IL. It is from here that we are able to process orders at considerably lower freight costs for our customers. It also enhances our delivery times to both coasts.

Our primary lines include: Brass flare, compression, pipe, garden and barb fittings. We also carry fittings in plastic, stainless and cast brass; as well as valves, and copper & plastic tubing.  
We firmly believe that our greatest asset is our people. They’re not only knowledgeable; they also genuinely care about delivering an exceptional customer experience.