| Acton Vet Clinic | 32033 Crown Valley Rd | Acton | 93510 | 1-805-269-7060 |
| Agoura Anim Clinic | 28282 Dorothy Dr | Agoura Hills | 91301 | 1-818-991-1036 |
| Alhambra Vet Hosp | 1501 W Mission Road | Alhambra | 91803 | 1-626-289-9227 |
| VCA Mission Anim Hosp | 25 W Mission Rd | Alhambra | 91801 | 1-626-289-3643 |
| West Main Anim Hosp, Inc. | 2216 W. Main St | Alhambra | 91801 | 1-626-282-2179 |
| Aliso Viejo Pet Clinic | 22912 Pacific Park Dr Ste. E | Aliso Viejo | 92656 | 1-949-916-7387 |
| Banfield - Aliso Viejo | 26761 Aliso Creek Rd | Aliso Viejo | 92656 | 1-949-360-0807 |
| Adobe Anim Hosp | 6331 Haven Av #4 | Alta Loma | 91737 | 1-909-483-3535 |
| Alta Loma Anim Hosp | 7289 Amethyst Av | Alta Loma | 91701 | 1-909-987-6224 |
| Alta Rancho Pet & Bird Hosp | 8677 19th Street | Alta Loma | 91701 | 1-909-980-3575 |
| Anim Hosp of Rancho Cucamonga | 9350 Baseline Rd #A | Alta Loma | 91701 | 1-909-980-1788 |
| Archibald Pet Hosp | 9790 19th Street | Alta Loma | 91737 | 1-909-941-7310 |
| Baseline Anim Hosp | 9350 Baseline Rd #A | Alta Loma | 91701 | 1-909-987-4788 |
| Baseline Anim Hosp | 9350 Baseline Road #A | Alta Loma | 91701 | 1-909-987-4788 |
| Altadena Anim Hosp, Inc | 2071 N Lake Ave | Altadena | 91001 | 1-626-798-0738 |
| Vanderhoof Vet Hosp | 2235 N Lake Ave Ste 101 | Altadena | 91001 | 1-626-798-5901 |
| Affordable Anim Hosp | 310 N State College Blvd | Anaheim | 92806 | 714-772-1611 |
| Anaheim Anim Care | 116 S. Magnolia Ave | Anaheim | 92804 | 714-527-9292 |
| Anaheim Cyn Anim Hosp | 781 South Weir Canyon Rd | Anaheim | 92808 | 714-637-1000 |
| Anaheim Hills Pet Clinic | 5793 East La Palma Ave | Anaheim | 92807 | 714-779-2101 |
| Anaheim Pet Hosp | 3211 West Lincoln Ave | Anaheim | 92801 | 714-826-9380 |
| Anchor Anim Hosp | 705 South State College Blvd | Anaheim | 92806 | 714-635-7762 |
| Anim Medical Ctr | 1301 S Brookhurst St | Anaheim | 92804 | 714-563-1505 |
| Cottage Pet Hosp Inc | 900 East Broadway | Anaheim | 92805 | 714-535-6714 |
| Katella Anim Clinic | 10712 Katella Ave | Anaheim | 92804 | 714-535-6791 |
| La Palma Vet Hosp | 1715 West La Palma Ave | Anaheim | 92801 | 714-535-1141 |
| Metz Vet Hosp | 1648 East Lincoln Ave | Anaheim | 92805 | 714-956-8211 |
| Sunrise Pet Clinic | 430 S Anaheim Hills Rd Ste J | Anaheim | 92807 | 714-283-0227 |
| VCA Anabrook Anim Hosp | 335 N Brookhurst St | Anaheim | 92801 | 714-772-8220 |
| Yorba Regional Anim Hosp | 8290 Crystal Drive | Anaheim | 92807 | 714-921-8700 |
| Arcadia Small Anim Hosp | 311 N Santa Anita Ave | Arcadia | 91006 | 1-626-447-2244 |
| Best Friends Pet Hosp | 155 E Foothill Blvd | Arcadia | 91006 | |
| Las Tunas Anim Hosp | 108 West Las Tunas Dr | Arcadia | 91007 | 1-626-446-7174 |
| Azusa Anim Hosp | 457 E Arrow Hwy. #G | Azusa | 91702 | 1-626-858-0027 |