From its Pennsylvania base, DST America manufactures sorption dehumidifiers and engineered humidity-control systems for industrial and commercial use. The company is the American subsidiary of Sweden’s Seibu Giken DST, whose roots reach back to 1985, and its parent group is tied to Seibu Giken’s silica-gel rotor technology, developed in Japan since 1984. DST America also supports its equipment with an in-house engineering and service team reporting more than 35 years of experience.