| Business | Phone |
| Clean Tech Environmental Prods 7060 Elmer Ave, Whittier 90602 | (562) 696-4298 |
| Green Geological 6727 Greenleaf Ave, Whittier 90601 | (562) 698-5338 |
| Blodgett Baylosis & Assoc 6709 Greenleaf Ave # 314, Whittier 90601 | (562) 907-4541 |
| Specialized Environmental 12115 Rivera Rd, Whittier 90606 | (562) 698-9222 |