A family of support systems is available from Allied Support Systems. The Power-Strut continuous slot strut system includes a wide selection of channels, fittings and accessories. The Cope cable tray system features a tubular rung and connection to the side rail by use of the cold swaging process. A fiberglass version of this system is available in the Cope-Glas line. The Aickinstrut fiberglass strut system features a line of nonmetallic accessories, fasteners, hangers, pipe clamps and channels.