| Company | STEPROCK 199 WEST RD LLC |
| Business Number | 5428982 |
| Company | STEPSTONE 199 WEST RD LLC |
| Business Number | 5461723 |
| Company | STEPROCK DREXELBROOK LLC |
| Business Number | 5521205 |
| Company | STEPROCK 100 KIMBALL LLC |
| Business Number | 5535509 |
| Company | STEPROCK SILVER LAKE CONDO LLC |
| Business Number | 5664993 |
| Company | APSTONE INTERIORS CORP. |
| Business Number | 5666198 |
| Company | APSTONE WOOD CORP. |
| Business Number | 5666208 |
| Company | STEPROCK 10 LANIDEX PLAZA LLC |
| Business Number | 5729128 |