| Business | Phone |
| G E Handpiece Repair Center 815 S Main St # 107, Santa Ana 92701 | (714) 542-1918 |
| Jerry's Drill & Tap Removal 1018 E Chestnut Ave, Santa Ana 92701 | (714) 836-6824 |
| United Maintenances & Repair 1118 E Walnut St, Santa Ana 92701 | (714) 543-0743 |