| Business | Phone |
| Country Meadows Manufactured 1855 E Riverside Dr, Ontario 91761 | (909) 947-3918 |
| Fernwood Ontario Mobile Park 1512 E 5th St, Ontario 91764 | (909) 986-9443 |
| Grove Manor Mobile Home Park 850 W Mission Blvd, Ontario 91762 | (909) 986-7973 |
| Lamplighter Ontario Mobile Pk 2139 E 4th St, Ontario 91764 | (909) 987-4119 |
| Rancho Ontario Mobile Park 1456 E Philadelphia St, Ontario 91761 | (909) 947-4217 |
| Samoa Village Mobile Home Est 310 E Philadelphia St, Ontario 91761 | (909) 984-3910 |
| Sky Villa Trailer Park 1061 E Holt Blvd, Ontario 91761 | (909) 983-3149 |
| Star Trailer Park 1230 E Nocta St # 32, Ontario 91764 | (909) 984-5993 |
| Webb's Mobile Home Park 637 Brooks St, Ontario 91762 | (909) 983-6502 |