Recommended Networking groups/opportunities for Office Real Estate?
I have attended a BNI group, however many of the business are very small and do not have a lot in terms of potential space requirements. 

Any recommended groups/forums/events for an office broker (Size 4k+)?

Thanks in advance!
[{"id": "cedth6z", "text": "You don't go to BNI groups to get business from the people in the group, you go to meet people they might know.  They're not buyers groups, they're not [necessarily] buying from each other.", "replies": [{"id": "cedyp2z", "text": "Thank you, that is a great perspective ", "replies": [], "depth": 2}], "depth": 1}, {"id": "cedwrfn", "text": "BOMA.", "replies": [{"id": "cenbui2", "text": "What is BOMA?", "replies": [], "depth": 2}], "depth": 1}]