Tech-Etch, Inc., one of the nations most highly regarded manufacturers of etched circuitry for the high tech industry, retained Callahan/Hoffman Company to construct a new 24,000 SF manufacturing, warehousing and laboratory facility in Plymouth, extending the existing footprint to over 89,000 SF. In addition to the new expansion, Callahan/Hoffman fully renovated over 13,000 SF of existing production facilities while keeping the existing plant in full operation