Since 1969, M&M Carnot has designed, manufactured, installed, and serviced industrial and commercial refrigeration systems and controls built around natural refrigerants. The North American company is particularly known for developing the standard for large ammonia/CO2 cascade systems and for more than 15 years of experience with transcritical CO2 refrigeration. Now a product line of Johnson Controls, M&M Carnot also provides refrigeration controls for facilities ranging from cold-storage warehouses to ice rinks and data centers.
UL-508A
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ATMO Approved
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CIMCO RefrigerationCIMCO Refrigeration traces its roots to 1913, when Thomas Shipley founded the Canadian Ice Machine Co.; the company took the CIMCO Refrigeration name in 1967 and joined Toromont Industries two years later. Now numbering more than 1,200 employees, CIMCO is best known for its long-standing role in ice-rink construction and for advancing natural-refrigerant thermal systems across North America. Its Burlington headquarters includes a 55,600-square-foot manufacturing facility opened in 2022, marking the company’s 110th anniversary.LANCASTER, PA
Industrial Refrigeration Service, IncBorn at the Nechay family’s kitchen table in 1978, Industrial Refrigeration Service designs, fabricates, installs, and maintains industrial ammonia refrigeration and process-piping systems. From its 30,000-square-foot Maryland facility, the company serves cold-storage and food-processing operations with custom-built systems and 24/7 emergency service. The Nechay family continues to uphold founder Rudy Nechay’s family-business approach, while the company’s 24,000-square-foot fabrication shop brings much of the work in-house.MIDDLE RIVER, MD
CopelandFounded by Edmund Copeland in 1921 to transform refrigeration, Copeland makes compression technologies and controls for heating, cooling and cold-chain systems. Now a standalone global company with about 18,000 colleagues, it is particularly known for refrigeration controls built around precise monitoring, food-safety protection and energy management. Copeland also supports equipment over its lifecycle, including factory-specification remanufacturing of semi-hermetic and industrial compressors.SIDNEY, OH
JJ Crewe & Son, IncFor more than 100 years and four generations, J.J. Crewe & Son, Inc. has engineered and fabricated gas compression and industrial refrigeration systems from its Maryland-area operation. The OEM shop builds packaged equipment for compressor manufacturers including Sullair, Aerzen, Howden and Knox Western, while also providing service and engineering support for its own and other manufacturers’ equipment. Its process-engineering background lets Crewe jointly specify, shop-fabricate and test skid-mounted systems before delivery.BUCKEYSTOWN, MD