Alfa laval, a subsidiary of sweden-based alfa laval ab, makes separators (centrifuges), heat exchangers (evaporators and condensers), decanters, tank equipment, pumps, and valves under brand names contherm, sharples, ketema, and champ, among others. alfa laval's products are used in a host of industries, from dairy and food processing to petrochemicals and steel manufacturing. the company also offers spare parts, reconditioned heat exchangers, and round-the-clock equipment-monitoring systems. the company has about a dozen locations in the us, including four manufacturing plants, an international distribution center, and seven service and repair centers.