| Business | Phone |
| Care-Free Water Products 2110 E Mcfadden Ave # G, Santa Ana 92705 | (714) 545-4500 |
| Culligan Water Conditioning 502 S Lyon St # 2, Santa Ana 92701 | (714) 953-6300 |
| Filtration Concepts 221 W Dyer Rd, Santa Ana 92707 | (714) 850-0123 |
| Fred's Soft Water Santa Ana 92701 | (714) 545-3258 |
| Aqua-Con 1306 E Pomona St, Santa Ana 92705 | (714) 542-1160 |