- 1001 Mc Kinney
- Allen Center/Cullen Ctr
- Andover Group Inc
- C B Richard Ellis
- Century Property Management
- Dresser Cullen Venture
- Dresser Cullen Venture
- ESI Properties
- ESI Properties
- Great Southwest Building
- Great Southwest Building
- Hines
- Hines
- Hines Interests
- Hines Interests LTD
- Horizon Management
- Horizon Management
- Ing Clarion
- Ing Clarion
- International Trade Ctr
- International Trade Ctr
- Journey Interest Inc
- Journey Interest Inc
- Kennedy Wilson
- Kennedy Wilson
- LA Salle Partners
- LA Salle Partners
- Lincoln Property Co
- Lincoln Property Co
- Louisiana Place
- Louisiana Place
- Navisys Group
