The Epoxy Interest Group (EIG) of CRSI (Concrete Reinforcing Steel Institute) is a not-for-profit trade association providing an authoritative resource for information related to use of epoxy-coated steel (epoxy rebar) in reinforced concrete.

Epoxy-coated reinforcing steel is also known as ECR, epoxy-coated rebar, fusion bonded epoxy coated rebar or FBECR. The association serves the needs of specifiers, engineers, architects, fabricators and end-users with the most recent information about how and where epoxy-coated reinforcing steel is used, as well as recent technical changes, educational seminars and promotional activities.

The Epoxy Interest Group (EIG) serves the construction market in the United States, Canada and Mexico.