Mammoth Incorporated is a supplier of heating, ventilation and air conditioning equipment. Founded in 1935, the company offers a variety of refrigeration systems and air handling equipment for residential and commercial customers. It has a staff of trained and certified technicians that specializes in customized engineering and installation solutions. Mammoth Incorporated is a part of the CES Group, which provides cost-effective engineering solutions for heating, ventilation and air conditioning application. Mammoth Incorporated offers services to the manufacturing, health care, food processing and pharmaceutical industries. Additionally, it provides refrigeration plants, boilers and various other accessories. Mammoth Incorporated maintains its corporate headquarters in Chaska, Minn.