| Business | Phone |
| Diamond Parking Svc 405 W 5th St # 201, Santa Ana 92701 | (714) 546-7275 |
| Ace Parking 201 W 3rd St, Santa Ana 92701 | (714) 834-9237 |
| Ace Parking Inc 300 W 5th St, Santa Ana 92701 | (714) 541-0200 |
| Ampco System Parking 1851 E 1st St, Santa Ana 92705 | (714) 972-1056 |
| Ampco System Parking 5 Hutton Centre Dr # 16, Santa Ana 92707 | (714) 641-1749 |
| Parking Co Of America 500 W Santa Ana Blvd, Santa Ana 92701 | (714) 835-3433 |
| Parking Concepts Inc 20 Civic Center Plz, Santa Ana 92701 | (714) 972-9071 |
| Parking Concepts Inc 601 S Ross St, Santa Ana 92701 | (714) 836-6009 |
| Parking Concepts Inc 690 Civic Center Dr W, Santa Ana 92701 | (714) 973-8045 |
| Ultimate Parking Svc 600 W Santa Ana Blvd, Santa Ana 92701 | (714) 541-6809 |