| Business | Phone |
| Abc Cleaning Svc 1755 Plaza Serena, Ontario 91764 | (909) 988-1266 |
| Alpha Cleaning Svc Ontario 91764 | (909) 477-3076 |
| Andrew Wynn's Janitorial Svc 1758 S Miramonte Ave, Ontario 91761 | (909) 983-3421 |
| Beeline Janitorial Svc Ontario 91762 | (909) 983-3469 |
| Bonview Maintenance Co 350 S Milliken Ave # L, Ontario 91761 | (909) 390-5513 |
| Byron Coles Janitorial Svc 925 W G St, Ontario 91762 | (909) 933-3639 |
| California Elite Bldg Mntnc 3100 E Cedar St, Ontario 91761 | (909) 975-4440 |
| Clean Pro Usa Inc 902 E Holt Blvd, Ontario 91761 | (909) 988-3066 |
| Day & Night Cleaning Crews 735 N Holmes Ave, Ontario 91764 | (909) 395-0507 |
| Diversified Maintenance Svc 2322 S Vineyard Ave, Ontario 91761 | (909) 923-0013 |
| Jan-Pro Of San Bernadino 3200 Inland Empire Blvd, Ontario 91764 | (909) 466-5858 |
| Jani-King 2579 Cold Springs Pl, Ontario 91761 | (909) 947-5540 |
| John Garcia Janitorial Svc 1119 S Euclid Ave, Ontario 91762 | (909) 391-0778 |
| Maranatha Cleaning Svc 2614 S Euclid Ave, Ontario 91762 | (909) 988-9650 |
| Anthony Mejia Ontario 91762 | (909) 988-2773 |
| Namac Services 2049 S Hellman Ave, Ontario 91761 | (909) 947-8832 |
| Arme Cleaning Svc 120 W Maitland St, Ontario 91762 | (909) 983-1637 |
| Lva Svc Co 1908 E 7th St, Ontario 91764 | (909) 989-4753 |
| Quintessence Co Ontario 91761 | (909) 390-5712 |
| Reliable Services Ontario 91761 | (909) 673-0193 |
| Shannon Co 1190 N Del Rio Pl, Ontario 91764 | (909) 484-8244 |
| Silver Shield Custodial 1525 N Holmes Ave # 5, Ontario 91764 | (909) 949-7099 |
| Spik N Span Janitorial Svc 1508 E Fairfield Ct, Ontario 91761 | (909) 930-2586 |
| Super Clean Building Mntnc 2550 E Riverside Dr, Ontario 91761 | (909) 923-3577 |
| Super Shammy 1 Mills Cir, Ontario 91764 | (909) 484-0199 |
| Triad Maintenance Inc 3535 Inland Empire Blvd, Ontario 91764 | (909) 941-2540 |
| Trinity Janitorial Svc 2626 S Sandpiper Ave, Ontario 91761 | (909) 923-1340 |