Precision Equipment Manufacturing is an industry leader known for producing quality truss trailers for the Building Component Industry. P.E.M produces a complete line of roller trailers from truck mounts to standard length, extendable lengths and goose neck truss trailers. P.E.M also produces the Mag Fan flame less heaters, Mag Fan's are the only heaters that use magnetic heat to generate high volumes of humidity-free low emissions heat. Mag Fans can be used in Oil production, Construction, restoration and in Agricultural practices.