| Business | Phone |
| Campbell Studios 5644 Likins Ave, Martinez 94553 | (925) 228-4038 |
| Crazy Dream Sound Productions 505 Estudillo St, Martinez 94553 | (925) 370-1150 |
| Harvest Moon Studios 505 Estudillo St # 9, Martinez 94553 | (925) 370-8718 |
| Spill Records-Lommori Prdctns 1211 Arnold Dr, Martinez 94553 | (925) 609-8363 |