HISTORY OF CSI


Founded in 1911, Colonial Supply started as a mill, mine and maintenance supply house to service the growing industries emerging in Pittsburgh.

Local companies in the steel, aluminum and mining industries depended on Colonial Supply to provide them with quality products and unmatched service. As these companies grew and established multiple operating facilities domestically and internationally, Colonial again met the demands of its customers. By broadening its product mix to include material handling components, power transmission products and engineering services, as well as on-site support, Colonial Supply grew with their customers.

To this day Colonial Supply maintains it’s presence in international markets, as an exporter of quality, American made products and technical services.

Our objective is to provide our customers, both domestic and international, a comprehensive product line, sold at a fair and competitive price, by a knowledgeable and dependable staff. We work closely with our manufacturing partners to maintain and keep up with the technical advances to assist our customer’s efforts in reducing their overall operating cost.