| Business | Phone |
| Biocal Technology Inc 1920 E Katella Ave, Orange 92867 | (714) 639-2124 |
| Flanigan & Harward Vascular 1140 W La Veta Ave, Orange 92868 | (714) 560-4460 |
| Mri Network 451 N Tustin St, Orange 92867 | (714) 771-5199 |
| Sleep Care Diagnostic 1095 N Main St # D, Orange 92867 | (714) 289-7156 |
| Star Labs 1085 N Main St, Orange 92867 | (714) 289-7151 |