Abstract: The invention relates to a universal shelving system including slotted conventional upright supports, bracket assemblies for interengaging slots of the upright supports, and shelf members having uninterrupted upper surfaces for supporting goods thereon, and being supported on the underside thereof by the bracket assemblies. Hat-shaped sections are provided on the underside of the shelf members for providing reinforcement for the shelf members and for providing a surface for supporting engagement by the bracket assemblies. Each bracket assembly includes a bracket tab section for attachment to an upright support, and a bracket arm section pivotally mounted to the bracket tab section. A pivoted spring clip detent means is attached either to the tab section or the arm section, and cooperates with detent openings in the other of the sections.