| Business | Phone |
| A & A Auto Repair 1141 W Holt Blvd # 1, Ontario 91762 | (909) 391-0080 |
| A & B Auto Repair 949 W State St, Ontario 91762 | (909) 391-8699 |
| A & J Auto Repair 949 W State St # G, Ontario 91762 | (909) 983-2645 |
| A & R Tires 152 N Mountain Ave, Ontario 91762 | (909) 984-5456 |
| A & R Transmissions 11075 S Central Ave, Ontario 91762 | (909) 902-1244 |
| A-1 Auto Repair 405 E Holt Blvd, Ontario 91761 | (909) 988-3242 |
| Al's Auto Repair 1113 W Holt Blvd # A3, Ontario 91762 | (909) 460-1616 |
| Aleman Brothers Garage 759 E Holt Blvd, Ontario 91761 | (909) 986-7767 |
| All Cars Auto Body & Paint 1115 E Holt Blvd, Ontario 91761 | (909) 983-7322 |
| America Auto Svc 959 W State St, Ontario 91762 | (909) 460-0307 |
| American Automotive Center 11195 S Central Ave # 5, Ontario 91762 | (909) 590-2094 |
| Anglin's Garage 412 S Bon View Ave, Ontario 91761 | (909) 467-0371 |
| Apache Auto Repair 220 S Vine Ave, Ontario 91762 | (909) 467-0102 |
| Archie's Automotive 120 S Plum Ave, Ontario 91761 | (909) 391-3441 |
| Arods Automotive Svc 1227 Brooks St, Ontario 91762 | (909) 635-0152 |
| Auto Performance Center 11075 S Central Ave # B2, Ontario 91762 | (909) 465-9583 |
| Auto Smog Check 1724 S Euclid Ave, Ontario 91762 | (909) 984-0984 |
| B P Test Center 11075 S Central Ave # B6, Ontario 91762 | (909) 590-7599 |
| Baja Auto Center Smog & Lamp 817 E Holt Blvd, Ontario 91761 | (909) 986-7172 |
| Baja Smog Auto Repair 404 S Cherry Ave, Ontario 91761 | (909) 391-8570 |
| Basic Auto Repair 810 E Holt Blvd, Ontario 91761 | (909) 984-8011 |
| Ben's Auto Repair Inc 405 E Holt Blvd, Ontario 91761 | (909) 460-1651 |
| Bill's Auto Repair 1341 Brooks St # F, Ontario 91762 | (909) 986-5119 |
| Boon Import Auto 1113 W Holt Blvd # A4, Ontario 91762 | (909) 983-6818 |
| Boshart Engineering Inc 1175 N Del Rio Pl, Ontario 91764 | (909) 466-1602 |
| Brothers Vw Machine Shop 969 W State St # G, Ontario 91762 | (909) 983-6001 |
| Bud's Foreign Car Svc 5528 W Mission Blvd, Ontario 91762 | (909) 591-3443 |
| Campus Foreign Car Svc 958 E Holt Blvd, Ontario 91761 | (909) 986-9615 |
| Central Auto Repair 10881 S Central Ave, Ontario 91762 | (909) 591-6375 |
| Chapala Auto Center 828 W Holt Blvd, Ontario 91762 | (909) 988-7094 |
| Chino Auto Repair 303 W California St, Ontario 91762 | (909) 933-9099 |
| Coky's Automotive 415 W Emporia St, Ontario 91762 | (909) 986-8850 |
| Don's Auto Repair 215 S Vine Ave, Ontario 91762 | (909) 984-8810 |
| Dynamic Automotive 1318 Beverly Ave, Ontario 91762 | (909) 391-9281 |
| Eckles Wheel Alignment Center 211 W Transit St, Ontario 91762 | (909) 984-8116 |
| Famous Ed's Auto Repair Center 11195 S Central Ave # 2, Ontario 91762 | (909) 591-2224 |
| Hoppo's Custom Suspension Wrks 1490 S Vineyard Ave # G, Ontario 91761 | (909) 923-5553 |
| J & S Auto Repair 949 W State St, Ontario 91762 | (909) 984-1411 |
| Japanese Engine Specialists 1409 Brooks St, Ontario 91762 | (909) 988-0193 |
| Jeff Holmes Automotive Svc 8087 Schaefer Ave, Ontario 91761 | (909) 627-2003 |
| Martinez Auto Repair 1720 S Grove Ave # B, Ontario 91761 | (909) 923-4338 |
| Mechanic 4u 117 N Campus Ave # B, Ontario 91764 | (909) 391-8228 |
| Merlin's Quality Automotive 1261 S Grove Ave, Ontario 91761 | (909) 947-8014 |
| Midas Auto Svc Experts 1113 W Holt Blvd # A, Ontario 91762 | (909) 984-4955 |
| Mike's Alignment & Auto Repair 5542 W Mission Blvd, Ontario 91762 | (909) 902-0012 |
| Mitsubishi Of Ontario 1151 Kettering Dr, Ontario 91761 | (909) 390-1440 |
| Montclair Auto Body 1527 W Mission Blvd, Ontario 91762 | (909) 988-5755 |
| Nguyen's Auto Repair 1008 Brooks St, Ontario 91762 | (909) 391-2710 |
| No Que No 402 W California St, Ontario 91762 | (909) 986-5565 |
| A & P Mecanica General 656 E Maitland St, Ontario 91761 | (909) 983-8706 |
| Automotive Manufacturer Inc Century 2775 E Philadelphia St, Ontario 91761 | (909) 230-6188 |
| Engines By Appointment 10792 Vernon Ave, Ontario 91762 | (909) 902-9757 |
| Euclid Avenue 76 2160 S Euclid Ave, Ontario 91762 | (909) 391-5843 |
| Express Minor Auto Repair 105 W California St, Ontario 91762 | (909) 988-1530 |
| G E Auto Mechanics 419 S Palmetto Ave, Ontario 91762 | (909) 395-0414 |
| G S Automotive Svc 1839 E Elm St, Ontario 91761 | (909) 923-3041 |
| General Auto 402 S Bon View Ave, Ontario 91761 | (909) 395-5479 |
| Gerry's 1408 Brooks St, Ontario 91762 | (909) 983-4652 |
| Mike's Automotive 560 W Calif, Ontario 91762 | (909) 986-4337 |
| Ochoa Brothers Auto Repair 903 S Euclid Ave, Ontario 91762 | (909) 983-4601 |
| One Stop Auto Repair 117 N Campus Ave, Ontario 91764 | (909) 395-5052 |
| Ontario Auto Repair 111 W California St, Ontario 91762 | (909) 391-6811 |
| Ontario Automotive Specialist 216 S San Antonio Ave, Ontario 91762 | (909) 986-5811 |
| Price's Garage 328 E California St, Ontario 91761 | (909) 984-4712 |
| Primo's Auto Repair 419 S Palmetto Ave, Ontario 91762 | (909) 984-8774 |
| Pro 2 Automotive 1640 E Francis St, Ontario 91761 | (909) 947-8689 |
| Pro Smog Check Center 201 S Wineville Ave # K, Ontario 91761 | (909) 390-2234 |
| Purrfect Auto Svc 11075 S Central Ave, Ontario 91762 | (909) 517-9140 |
| R Rated Motorsports 1459 E Philadelphia St, Ontario 91761 | (909) 923-3414 |
| Rapp's Automotive 428 E B St, Ontario 91764 | (909) 983-2722 |
| Rickellys Auto Repair & Smog 10876 Rose Ave, Ontario 91762 | (909) 627-6969 |
| Sergeo's Garage 806 E Willow St, Ontario 91764 | (909) 467-0605 |
| Silva's Repair 1125 E California St, Ontario 91761 | (909) 986-4793 |
| State Frame Shop 5075 E State St, Ontario 91762 | (909) 627-3110 |
| Sunco 504 W Holt Blvd, Ontario 91762 | (909) 395-0020 |
| Tim's Automotive 2526 S Pinehurst Pl, Ontario 91761 | (909) 947-5890 |
| Tune Performance 659 E Holt Blvd, Ontario 91761 | (909) 984-6388 |
| Tune-Up Place 325 N Mountain Ave, Ontario 91762 | (909) 984-5610 |
| Tune-Ups Plus 5343 W Mission Blvd, Ontario 91762 | (909) 591-3155 |
| Unique Auto Body & Svc 1025 N Mountain Ave # A, Ontario 91762 | (909) 467-1547 |
| United Auto Repair 429 S Palmetto Ave, Ontario 91762 | (909) 984-0039 |
| Upland Service Nissan 1113 W Holt Blvd # C1, Ontario 91762 | (909) 988-0287 |
| Wayne's Auto Air Conditioning 157 N Mountain Ave, Ontario 91762 | (909) 391-5850 |