| Business | Phone |
| Dymax Group 3987 1st St # M, Livermore 94551 | (925) 373-7867 |
| Flomax Products Inc 5981 Graham Ct, Livermore 94550 | (925) 449-5900 |
| Flow Control Engineering 286 Rickenbacker Cir, Livermore 94551 | (925) 294-8430 |
| G A Wirth Co 256 Boeing Ct, Livermore 94551 | (925) 447-9390 |