| Limestone |
| Texas Quarries | http://www.texasquarries.com |
| Slate |
| American Slate | http://www.americanslate.com |
|
| Carderrock Stone | http://www.carderock.com |
|
| Code Impex LLC | http://www.codeimpex.com |
|
| Durangostone.com | http://www.durangostone.com |
|
| Eden Stone Co. | http://www.edenstone.net |
|
| Integrated Resource Group | http://www.marblecompany.com |
|
| King Quarry | http://www.kingquarry.com |
|
| Krukowski Stone Co., Inc. | http://www.krukowskistone.com |
|
| New England Stone LLC | http://www.nestone.com |
|
| Real Stone | http://www.realstonecut.com |
|
| Valders Stone & Marble Inc. | http://www.valderstone.com |