BELOIT, Wis.–(BUSINESS WIRE)–ABC Supply Co., Inc., the largest wholesale distributor of roofing, select exterior and interior building products, and outdoor solutions in North America, today announced that Chief Executive Officer Keith Rozolis plans to retire effective Dec. 31, 2026. As part of the company’s leadership succession plan, President and Chief Operating Officer Mike Jost has been appointed Chief Executive Officer effective Jan. 1, 2027. Rozolis joined ABC Supply in 1999, helping e