Columbia Pipe & Supply Co
Columbia Pipe & Supply. Columbia is a leading distributor of industrial pipe, plumbing supplies, and HVAC (heating, ventilation, and air conditioning) equipment. Based in Chicago, the company also has sales offices covering the rest of Illinois, Indiana, Michigan, and Wisconsin, and an agreement with Affiliated Distributors that expands its distribution network to a national level. The company's target markets are construction, maintenance and repair, and OEMs. CEO William Arenberg and family own the company, which was founded in 1935.