| Business | Phone |
| Coffin World Water Systems 1732 Mcgaw Ave, Irvine 92614 | (949) 222-5777 |
| Burkert Contromatic Corp 2602 Mcgaw Ave, Irvine 92614 | (949) 251-1224 |
| Pure Tech Water Systems 17781 Mitchell N, Irvine 92614 | (949) 833-0028 |
| Rayne Soft Water Svc 17835 Sky Park Cir # M, Irvine 92614 | (949) 250-1811 |