| Business | Phone |
| California Environmental Cntrl 6739 Washington Ave, Whittier 90601 | (562) 945-3425 |
| Grand Water 11869 Whittier Blvd, Whittier 90601 | (562) 692-4773 |
| Multi-Pure Drinking Water Sys 12312 Louis Ave, Whittier 90605 | (562) 944-4791 |
| Water Plus 8025 Norwalk Blvd, Whittier 90606 | (562) 692-0863 |