| Usmc Logistics Base - Yermo | 82 | 2004 | 195,624.78 |
| Usmc Logistics Base - Nebo | 64 | 1284 | 111,542.19 |
| Veterans Home Of Ca - Barstow | 47 | 122 | 6,788.03 |
| Verizon-Barstow C.O. | 43 | 43 | 8.98 |
| Barstow Refuse Disposal Site Landfill | 28 | 28 | 2,169.71 |
| Madrona Illegal Lf | 28 | 28 | 285.51 |
| West Main Illegal Dump Site / Hodge | 28 | 28 | 1,715.36 |
| Barstow, City Of - Wwtp | 23 | 62 | 88,526.62 |
| Barstow Railyard | 11 | 64 | 20,341.39 |
| Calico Rock Milling Inc. | 7 | 27 | 34,380.54 |
| Dan Copp Crushing Corp. | 6 | 20 | 4,707.20 |
| H & H Auto Boby | 3 | 3 | 171.95 |
| Continental Rpv'S | 2 | 2 | 58.61 |
| Brubaker-Mann Inc. | 2 | 2 | 5,824.00 |
| Service Rock Products | 2 | 2 | 1,143.30 |
| Sun And Shine Used Cars | 1 | 1 | 0.00 |
| Service Rock Prods. Inc. Barstow | 1 | 1 | 1.90 |
