| Business | Phone |
| Bachoc's Dairy 13331 S Walker Ave, Ontario 91761 | (909) 947-8322 |
| Bert Vandam's Dairy 10333 Eucalyptus Ave, Ontario 91762 | (909) 947-2119 |
| Dave Haasgsma Dairy 8643 Eucalyptus Ave, Ontario 91762 | (909) 947-3569 |
| Goyenetche 2 13950 S Haven Ave, Ontario 91761 | (909) 947-5504 |
| Heritage Dairy 13744 S Milliken Ave, Ontario 91761 | (909) 947-0609 |
| Mt Ain View Dairy 10084 Eucalyptus Ave, Ontario 91762 | (909) 947-6155 |
| Hettinga Hein Dairy 17094 Cucamonga Ave, Ontario 91709 | (909) 597-2514 |
| Paul Huizenga Dairy 7697 Edison Ave, Ontario 91762 | (909) 597-5124 |
| Robert Vandereyk Dairy 14310 S Haven Ave, Ontario 91761 | (909) 673-0049 |
| Shady Grove Dairy Farm 13485 S Bon View Ave, Ontario 91761 | (909) 947-3716 |
| Specialized Dairy Svc Inc 1531 S Vineyard Ave, Ontario 91761 | (909) 923-3420 |
| Struikmans & Son Dairy 8535 Edison Ave, Ontario 91762 | (909) 947-6278 |
| Summerhill Dairy 7277 Schaefer Ave, Ontario 91762 | (909) 627-3081 |
| T R Dairy Tech 1355 Brooks St, Ontario 91762 | (909) 460-9593 |
| Tlc Sonlight Dairy Inc 9811 Edison Ave, Ontario 91762 | (909) 923-9398 |
| Brothers Three Dairy 15133 Carpenter Ave, Ontario 91762 | (909) 947-3826 |