Established in 1961, Zero Zone is a leading manufacturer of refrigerated display cases and commercial refrigeration systems f ... or supermarkets, drug, dollar, and convenience stores. With display case plants in North Prairie and Waukesha, WI and a refrigeration systems plant in Ramsey, MN, Zero Zone also manufactures industrial refrigeration systems for cold storage, food processing, and ice arenas. Check out Zero Zone career opportunities at: http://www.zero-zone.com/careers/ read more