ABC Supply Co. Inc., Beloit, WI, No. 1 on MDM"s 2013 list of top building materials and construction distributors, has named Keith Rozolis president of the company.

Rozolis, who has been with ABC Supply for 14 years, had been the company’s executive vice president and COO. He continues in his role as COO, with day-to-day responsibility for leading ABC Supply’s branch and manufacturing operations, its marketing and merchandising groups and its divisional companies.

Rozolis joined ABC Supply in 1999 as vice president of strategic marketing and planning. He was promoted to senior vice president in 2005 and to executive vice president and chief operating officer in 2009.

David Luck, who has been president since 1998, continues as ABC’s CEO. “By transitioning some of my responsibilities to Keith, I will continue to support Keith in his new role and also be able to focus on new strategic initiatives that will sustain ABC’s growth for many years to come,” Luck said.