Dover Vanguard strive to be the best supplier of roll up doors in the building, transportation and display industry by providing quality products, service second to none, on time delivery (every time) and ongoing technical innovation.

Diamond Roll-Up Door Inc.,  is recognized in the transportation industries as a major high quality supplier of plywood, composite and insulated roll up doors for truck and trailer bodies as well as extruded aluminum emergency vehicle and compartment doors. With some exposure in the architectural, display and point of purchase markets Diamond is best placed to understand and supply most needs in the specialized end of the roll up door industry.

ANSA Doors Pty Ltd supply steel roller shutters, polycarbonate shutters,  aluminium roller shutters, security roller grilles, truck and kiosk shutters, fold-up doors, sliding, tilt and vertical lift doors. Traffic doors include high speed doors, strip curtains and impact doors.