Ownership History
| BLUEGRASS MATERIALS COMPANY LLC | $4,731,600 | 2015 | 9756/0 | 00 | 10/02/2015 |
| BLUEGRASS MATERIALS COMPANY LLC | $4,731,600 | 2015 | 9756/0 | 00 | 10/02/2015 |
| O-N MINERALS (CHEMSTONE) COMPANY | $450,000 | 1996 | 7204/0 | 00 | 08/29/1996 |
| GENSTAR STONE PRODUCTS CO | $0 | 0 | 628/721 | 00 | 01/01/1900 |
| GENSTAR STONE PRODUCTS CO | $0 | 0 | 0/0 | 00 | 01/01/1900 |