From the California Department Of Conservation
| Project | Site | Company |
| 91-19-0002 | Antelope Valley Aggregate, Inc | Littlerock Aggregate Co. |
| 91-19-0007 | Transit Mixed - Azusa | Southdown Inc.\Transit Mixed |
| 91-19-0008 | Granite Plant, Littlerock | Granite Construction Company |
| 91-19-0012 | United Rock Products Corporation | United Rock Products Corporation |
| 91-19-0013 | Pit #1 | United Rock Products Corporation |
| 91-19-0014 | United Rock Products Corporation | United Rock Products Corporation |
| 91-19-0015 | United Rock Production Corpora | United Rock Products Corporation |
| 91-19-0016 | Reliance - Irwindale | Calmat Company |
| 91-19-0017 | Sheldon | Calmat Company |
| 91-19-0018 | Reliance- Azusa | Calmat Company |
| 91-19-0019 | Boulevard | Calmat Company |
| 91-19-0020 | Palmdale | Calmat Company |
| 91-19-0021 | Big Rock Creek | Calmat Company |
| 91-19-0022 | Calmat - Sun Valley | Calmat Company |
| 91-19-0023 | Durbin | Calmat Company |
| 91-19-0025 | Livingston-Graham, Irwindale | Livingston-Graham |
| 91-19-0033 | Palmdale | Service Rock Products Co. |
| 91-19-0035 | Fish Canyon Quarry | Azusa Rock Inc. |
| 91-19-0037 | Del Sur Ridge Quarry | Bouquet Canyon Stone Co., Inc. |
| 91-19-0038 | Soledad Canyon Mine | P.W. Gillibrand Company |