upright frame 24a and an inner upright frame 26a linked by horizontal bracing members 28a and diagonal bracing members 30a the horizontal and diagonal bracing members 28a and respectively couple outer upright frame 24a and inner upright frame 26a the upright frames and bracing members attach using weld connections as is known in the art the assembly of outer upright frame 24a inner upright frame 26a to horizontal and diagonal bracing members 28a and 30a respectively assembles into what is typically known in the art as pallet racking a vertical truss post 32a attaches to pallet racking assembly 18a and in particular is welded to outer upright frame 24a to complete the frame assembly 18a truss post 32a is preferably a 3 34 u00d7 3 34 open rolled channel but may be any of a number of sizes or materials in accordance with the particular application and applied load frame assemblies 18b and 18c similarly comprise the same elements and attachments as described with respect to frame assembly 18a as can be best seen in the plan view of fig2 frame assemblies 18a 18c comprise a number of identical assemblies replicated and linked in order to provide a series of overhead display isles 34 under which customers walk in order to view overhead fixtures such as ceiling fixtures 22 c the series of frame assemblies 18a c also provides framing for suitably supporting ceiling fixtures 22a c and the like referring to fig1 and 2 a number of each of frame assemblies 18a c are shown repeated and aligned outer step beam 36a and inner step beam 38a link frame assemblies 18a in particular outer step beam 36a and inner step beam 38a link two outer upright frame members.