| Business | Phone |
| Accurate Metering Products 5773 Venice Blvd, Los Angeles 90019 | (323) 933-9443 |
| Living Water 1130 S Western Ave, Los Angeles 90006 | (323) 735-1416 |
| Pacific Water Systems 5430 E Beverly Blvd, Los Angeles 90022 | (323) 724-6552 |
| J P Property Inspection Co 1341 W 1st St, Los Angeles 90026 | (213) 250-2000 |