1. Blackstone Group
| Address | 345 Park Ave. Lb4 |
| City | New York |
| State | NY |
| Zip | 10154 |
| Phone | 212.583.5000 |
| Website | www.blackstone.com |
| Officers | Steven A. Schwarzman, Chairman, CEO & Co-Founder; Jonathan D. Gray, Global Head of Real Estate |
| Office Portfolio | 139,000,000 |
| Space Developed in 2015 | |
| Current Development Portfolio | |
| Current Redevelopment Portfolio | |
| Current Renovation Portfolio | |
| Current Expansion Portfolio | |
| Current Development Projects | |
| Current Redevelopment Projects | |
| Current Renovation Projects | |
| Current Expansions |