Ownership History
| LIN KE SHU & YANG XING | $290,000 | | 3224/1723 | 02 | 11/10/2010 |
| STRATEGIC CONTRACTING CO LLC | $54,000 | | 3198/0138 | 13 | 06/14/2010 |
| B & D HOUSTON ENTERPRISES LLC | $850,000 | | 3029/1401 | 90 | 11/07/2007 |
| B & D HOUSTON ENTERPRISES LLC | $475,000 | | 2967/1400 | 90 | 02/23/2007 |
| SARINE ELIZABETH M & MCFALL R & | $0 | | 0/0 | | 10/01/1992 |