Profile: Industrial Refrigeration Service, Inc. specializes in offering ammonia refrigeration systems and process piping. We also provide compressors, condensers, evaporation & hygienic air handlers, chillers & ice makers, shut-off & control valves and computer controls & microprocessors. Our services include design & engineering, fabrication & installation, service & maintenance and parts. We use pipe fitters and welders to fabricate all of the refrigeration systems.