All Commercial properties are not listed in the multi-list system like residential properties. Some agents will list them, but it's probably only about 30-40% of what is truly out there. The best thing to do is contact a great agent who knows all of the players and knows all of the properties that are out there.
Our #1 Commercial agent is Jay Phoebe and his phone number is 412-471-3311. If you would like me to have him call you, I'd be happy to, or you can call him at that number M-F 9-5