As an SI we don't have a site, but in my office I have:
AB PLC 2/30 (I use as a step to get to the top shelf)
AB PLC 2/15
AB PLC 5/40E 5/80E and a stack of 5/25 and 5/15
AB Logix 5550 broken
AB Compact Logix
AB SLC 150
AB SLC 5/01, 5/04 and 5/05
AB Micro Logix 1000
AB Pico Logix
AB Micro 850
PLC Direct 2 something
Omron CRX
CTC 2703
Have an old Modicon in a box somewhere