Dennis Supply Company is a family-owned corporation with only three presidents in our 88-year history. The Dennis Supply Company territory has grown to 13 branch locations covering Iowa, South Dakota, Nebraska, and Wyoming. The original company emphasis was commercial refrigeration, but through the years product offerings have expanded to also include industry leading brands of HVAC and hydronic equipment, motors, and controls.Dennis Supply Company has built a reputation in the industry for high standards of outstanding service, including exceptional inventories and veteran-knowledgeable personnel.By joining the Controls Group North America our customers are ensured access to a wide variety of controls at competitive pricing. All of this allows Dennis Supply Company to complete our mission.Providing the highest level of service while selling quality products at a competitive price.