Since 1956, RM Cotton Company has been a leading distributor of quality pumps, tanks, water heaters, boilers and other products used in the mechanical contracting and construction industries. We represent manufacturers who uphold the reputation of offering quality products they proudly stand behind. With the largest hydronic inventory in the Upper Midwest, RM Cotton Company can meet your expectations whether you are ordering a single item or a complete job. Fast, same day shipment on parts orders placed by 1 p.m. An experienced team of professionals committed to serving you.