Lew Electric is a manufacturer of a variety of junction boxes.  A Lew Electric junction box is constructed of heavy duty cast iron, hot dipped galvanized for extra corrosion resistance, dust tight, rain tight, water tight and NEMA 250-1997 type 4 compliant.  Each of their junction box offerings comes with an easy to use template and schedule for drilling and tapping needs.  Some of the style options they offer are general purpose, standard recessed, hinged recessed, safety tread and malibu.