Madison Chemical is a chemical formulator that provides cleaning, sanitation, maintenance and surface preparation products for the pulp and paper, metalworking, food processing, industrial maintenance, transportation, wastewater treatment, craft brewery, winery, and other industries. Since 1947 they have served customers worldwide from their Madison, IN, headquarters and through a nationwide network of direct technical sales representatives. For additional information visit www.madchem.com, call (812) 273-6000, or email [email protected]. Hours: 8 a.m. to 5 p.m. M-F.