- AIMCO
- Belvedere Corp
- C B Commercial
- C B Richard Ellis
- Chavez Properties
- CINC Financial Assoc
- Cinti Property Management
- Colliers Turley Martin Tucker
- Columbia Development Corp
- Community Properties Of Ohio
- Compass Management & Leasing
- Downtown Property Management
- Eagle Realty Group LLC
- F & R LTD
- Fourth & Central Properties
- Germania Building
- Grubb & Ellis Management Svc
- HINES Interests LTD
- KOLL Management Svc
- Merchantile Center
- Metro Management Inc
- Mill Valley Manager Office
- MRM Properties
- National Property Advisors
- PAH Inc
- Real Estate Management Corp
- Rookwood Properties
- Rts & Assoc Inc
- S D Property Management
- S N Phelps Realty
- Showe Management Corp
- Towne Properties
- Transformance Realty Inc
- Village Green Management Co
- Vulcan Property Management
- Whitehall Investment Corp
