| Business | Phone |
| Aviation Maintenance Group 2475 E Avion Ave, Ontario 91761 | (909) 605-9523 |
| Belcourt 2455 S Fern Ave, Ontario 91762 | (909) 391-6168 |
| Burton Place Apartments 619 E Riverside Dr, Ontario 91761 | (909) 983-0926 |
| Casa Corona 1681 E Harvard Pl, Ontario 91764 | (909) 984-1813 |
| Cedar Villas 301 E Cedar St, Ontario 91761 | (909) 984-5000 |
| Champagne Villas Ontario 91762 | (909) 460-9700 |
| Cherry Cove 2346 S Cucamonga Ave, Ontario 91761 | (909) 947-3181 |
| Cinnamon Ridge Senior Apts 1051 E 4th St, Ontario 91764 | (909) 983-5541 |
| Country Village Apartments 1315 E Holt Blvd, Ontario 91761 | (909) 391-4443 |
| Courtyard Villas Apartments 501 W G St, Ontario 91762 | (909) 391-1015 |
| Covington Village 3201 Triumph Ln, Ontario 91764 | (909) 944-1886 |
| Cypress Terrace Apartments 2100 S Cypress Ave, Ontario 91762 | (909) 984-9979 |
| Diamondpoint Apartments 916 E Deodar St, Ontario 91764 | (909) 981-3368 |
| Fern Apartments 2427 S Fern Ave # 7, Ontario 91762 | (909) 983-0244 |
| Hacienda Del Sol 1141 W D St # C, Ontario 91762 | (909) 983-2211 |
| Harris Place 451 E Riverside Dr, Ontario 91761 | (909) 984-7962 |
| Itl Properties 105 W Cedar St, Ontario 91762 | (951) 377-3694 |
| Landing 3364 Honeybrook Way, Ontario 91761 | (909) 947-4924 |
| Laurelwood Apartments 204 W F St # 5, Ontario 91762 | (909) 391-3633 |
| Mission Oaks Apartments 1427 W Mission Blvd, Ontario 91762 | (909) 986-4658 |
| Mission Village 154 N Palmetto Ave, Ontario 91762 | (909) 986-4417 |
| Mission Villas 829 Magnolia Ave # E, Ontario 91762 | (909) 983-8551 |
| Mount Shadow Condominiums 1352 W 5th St, Ontario 91762 | (909) 986-7714 |
| Mountain Terrace Apartments 1605 S Mountain Ave, Ontario 91762 | (909) 984-4399 |
| Mountain View Senior Apt 511 N Palmetto Ave, Ontario 91762 | (909) 984-7771 |
| Cambridge Square Townhomes 1037 N Archibald Ave, Ontario 91764 | (909) 986-2811 |
| Mandavilla Apartments 928 S Cypress Ave, Ontario 91762 | (909) 988-9106 |
| Mandevilla Apartments 928 S Cypress Ave # 6, Ontario 91762 | (909) 984-3024 |
| Ontario Plaza Apartments 625 W Vesta St, Ontario 91762 | (909) 460-2901 |
| Ontario Pointe Apartments 551 E Riverside Dr, Ontario 91761 | (909) 986-2999 |
| Ontario Townhouses 1360 E D St, Ontario 91764 | (909) 986-5357 |
| Park Centre 850 N Center Ave, Ontario 91764 | (909) 989-0791 |
| Park Vista Apartments 1206 W 4th St, Ontario 91762 | (909) 391-2469 |
| Parkside Villas At Ontario 1025 W Francis St # 16, Ontario 91762 | (909) 988-4815 |
| Quad Apartments 1135 N Baker Ave # 9, Ontario 91764 | (909) 391-5780 |
| Rose Point Apartments 1216 S Euclid Ave, Ontario 91762 | (909) 986-9912 |
| Seasons At Ontario Plaza 955 N Palmetto Ave, Ontario 91762 | (909) 983-3308 |
| Stoneridge Terrence Apts 1336 W Stoneridge Ct, Ontario 91762 | (909) 395-9103 |
| Sycamore Park Apartments 1221 N Vineyard Ave, Ontario 91764 | (909) 988-4966 |
| Terracina 3303 S Archibald Ave, Ontario 91761 | (909) 947-2322 |
| Villa Plaza Apartments 1155 W 4th St # 1, Ontario 91762 | (909) 984-6911 |
| Vineyard Village Apartments 1720 E D St, Ontario 91764 | (909) 983-8406 |
| Waterford Court 1675 E G St, Ontario 91764 | (909) 988-3411 |
| Waverly Place Townhomes 1739 E G St, Ontario 91764 | (909) 986-4092 |
| Whispering Winds Apts 426 N Imperial Ave, Ontario 91764 | (909) 984-5151 |
| Woodland Apartments 1309 W Mission Blvd, Ontario 91762 | (909) 391-0464 |
| Woodmere Apartments 910 W Phillips St, Ontario 91762 | (909) 983-1330 |
| Woodside Iii 408 W G St # 3, Ontario 91762 | (909) 391-4141 |