Ownership History
| BLM MANAGEMENT, LLC | $350,000 | 2021 | / | 08/30/2021 | 210009510 |
| BAKER & HITCHINGS, L.L.C. | $0 | 2021 | 0/0 | 06/11/2021 | 210006442 |
| BAKER & HITCHINGS, L.L.C. | $500,000 | 2008 | 0/0 | 10/01/2008 | 080009615 |
| TRANSIT-MIXED CONCRETE CORP | $300,000 | 2000 | 0/0 | 01/11/2000 | 000000316 |
| TRANSIT-MIXED CONCRETE CORP | $0 | 2000 | 0/0 | 01/01/2000 | 000000316 |