Established in 1927, Mitternight Inc. manufactures vessels, including heat exchangers, chemical reactors, distillation columns and other pressure vessels. Located in Satsuma, Ala., the company specializes in jacketed reactors, distillation columns, pressure vessels and heat exchanger design. Its capabilities include code calculations, wind/seismic analysis for columns/tanks, stress analysis for nozzles, attachments and dynamic analysis. Mitternight Inc. uses materials ranging from carbon steel to titanium for the manufacture of vessels. Additionally, the facility provides customized machines, fabricated boilers and chemicals.