SPX Corporation supplies infrastructure equipment serving the heating, ventilation and cooling (HVAC), detection and measurement, power transmission and generation, and industrial markets in the United States, China, South Africa, the United Kingdom, and internationally. It operates through three segments: HVAC, Detection and Measurement, and Engineered Solutions. The HVAC segment engineers, designs, manufactures, installs, and services cooling products for the HVAC and industrial markets under the Marley and Recold brands; and boilers, comfort heating, and ventilation products for the residential and commercial markets under the Berko, Qmark, Fahrenheat, Leading Edge, Patterson-Kelley, Weil-McLain, and Williamson-Thermoflo brand names. It also provides cooling towers under Marley NC Everest and MD Everest brand; water management tools through the MarleyGard brand name; filter under the BasinGard brand; and the SGS PC Industrial Evaporator. The Detection and Measurement segment offers underground pipe and cable locators, and inspection and rehabilitation equipment under the Radiodetection, Pearpoint, Schonstedt, Dielectric, Warren G-V, and Cues brands; and bus fare collection systems, communication technologies, and obstruction lighting products under the Genfare, TCI, Flash Technology, and Sabik Marine brand names. The Engineered Solutions segment provides transformers for the power transmission and distribution markets; and process cooling equipment for the industrial and power generation markets. This segment sells transformers for publicly and privately held utilities under the Waukesha brand name; and process cooling products under the SPX Cooling and Marley brand names. It markets its products through independent manufacturing representatives, third-party distributors, and retailers, as well as direct to customers. The company was founded in 1912 and is headquartered in Charlotte, North Carolina.