Indicol is part of the NP Products Division from Janesville Tool & Manufacturing, Inc. Based in Milton, WI, all Indicol products are proudly made in America. Indicol specializes in support for time-saving universal dial test indicators, with a full line of cylindrical, rectangular, round combination, Indi-Grip and universal holders. Using unique clamping "C" frame designs, Indicol allows universal adaptability across machine quill extensions.