Established in 1961, Zero Zone has facilities in Wisconsin, Minnesota, and Iowa. Zero Zone is a leading manufacturer of refrigerated glass door and multi-decks display cases, commercial refrigeration systems, and industrial refrigeration systems. Zero Zone products serve retail customers such as supermarkets, drug, dollar, and convenience stores, and Zero Zone sells equipment to industrial customers such as cold storage warehouses, food processing facilities, distribution centers, blast freezers and chillers, food and beverage production, ice arenas, and pharmaceutical and medical storage.