HH Technologies® is widely recognized as a leading supplier of high-performance, automated door systems, portable evaporative ... cooling systems and contract manufacturing services to other OEM companies. Since 1978, our on-site engineering and manufacturing operations in Bremen, Alabama has produced the most respected brands within the markets that we serve. Our promise to provide the most innovative and dependable solution to our customers extends into our three primary business divisions: RollSeal, PolarCool and OEM Services. read more