AIS Couplings

AIS compliant couplings are available, couplings are made to order, shipped from Fargo, ND and ordered with AIS included in the part number, IE IS156-88AIS.  Shear rings also available in AIS, IE IS156-88AISSR.  AIS shear rings are ASR thickness.

New Florida Representation

GPK Products, Inc. / Indiana Seal is pleased to announce Specified Sales Associates is our rep in the state of Florida (excluding Panhandle West of the Apalachicola River).  Specified Sales Associates brings an experienced sales team and will inventory at their local warehouses.

Fast Branch Tee

We are proud to introduce our latest product the Fast Branch Tee.  The solution for stocking one item to branch off Plastic, Clay, and Concrete Pipes.  For additional information please contact Indiana Seal or your local representative.