| Business | Phone |
| Crystal Water Treatment Syst 1607 N Euclid Ave, Upland 91784 | (909) 608-0599 |
| Ecs Co 858 W 9th St, Upland 91786 | (909) 931-4877 |
| It Is Water 196 W Westwood Pl, Upland 91784 | (909) 946-2246 |
| Nu-Waye Water Conditioning Inc 1244 W 9th St, Upland 91786 | (909) 946-7733 |
| Trapp Environmental Svc 1729 Brentwood Ave, Upland 91784 | (909) 931-7200 |
| Water Stop 639 E 15th St, Upland 91786 | (909) 931-0772 |