A pallet assembly for storing and transporting objects thereon, comprises a first member having a substantially planar first upper surface upon which the objects are placed, and a first lower surface; a second member having a second upper surface and a second lower surface, the second upper surface securely mounted to the first lower surface; a third member having a third upper surface and a third lower surface, the third upper surface and the second lower surface having corresponding flanged surfaces securely mounted to each other to form a plurality of columns having box beam cross-sections; and a fourth member having a fourth upper surface for mating with the third lower surface and a substantially planar fourth lower surface, the fourth upper surface securely mounted to the third lower surface.