| Business | Phone |
| A E Auto Plus 21 Harlech Crt, Thornhill L3T 6L5 | (905) 764-1339 |
| Alexander Auto Svc 15 Guardsman Rd, Thornhill L3T 6L2 | (905) 709-7744 |
| Arc Auto Svc Ctr Inc 55 Glen Cameron Rd #21, Thornhill L3T 1P2 | (905) 763-7109 |
| Toho Automotive Inc 140 Doncaster Ave #11, Thornhill L3T 1L3 | (905) 886-7232 |
| Atom Lite Garage Auto Repair 29 Cedar Ave, Thornhill L3T 3W1 | (905) 882-8583 |
| Auto Doc Professional Svc 37 Guardsman Rd, Thornhill L3T 6L2 | (905) 764-8771 |
| Auto Lane 371 John St, Thornhill L3T 5W5 | (905) 709-7900 |
| Auto Reanimation Corp 33 Guardsman Rd, Thornhill L3T 6L2 | (905) 889-6119 |
| Auto Trust Technicians Ltd 79 Green Lane, Thornhill L3T 6K6 | (905) 881-6361 |
| Grand Sport Motors 163 Langstaff Rd E, Thornhill L3T 3M7 | (905) 889-5053 |
| Guardian Auto Ctr 120 Doncaster Ave, Thornhill L3T 1L3 | (905) 889-5050 |
| Guard Pacific Auto 60 Green Lane #4, Thornhill L3T 7P5 | (905) 889-0415 |
| Guildwood Motors 107 Langstaff Rd E, Thornhill L3T 3M5 | (905) 764-7026 |
| H C Automotive 50 Doncaster Ave #6, Thornhill L3T 1L4 | (905) 731-6065 |
| Hirji Auto Repairs 47 Guardsman Rd, Thornhill L3T 6L2 | (905) 886-4404 |
| Ivor's Repairs 375 John St, Thornhill L3T 5W5 | (905) 764-2323 |
| Joy Equipment Svc Inc 103 Sixteenth, Thornhill | (905) 731-8674 |
| K & K Auto Svc 20 Harlech Crt, Thornhill L3T 6L5 | (905) 881-7427 |
| Kai Tak Auto Svc 60 Green Lane #10, Thornhill L3T 7P5 | (905) 882-2310 |
| Kgf Auto Svc Ctr Ltd 60 Green Lane #15, Thornhill L3T 7P5 | (905) 709-9733 |
| L A Auto Repairs 22 Harlech Crt, Thornhill L3T 6L5 | (905) 731-8004 |
| Lee's Service Ctr 87 Green Lane, Thornhill L3T 6K6 | (905) 886-7200 |
| Leo's Auto Svc Ctr 8243 Yonge St, Thornhill L3T 2C7 | (905) 889-4809 |
| Linwood Motor 95 Glen Cameron Rd, Thornhill L3T 1N8 | (905) 881-1110 |
| Mid West Auto 60 Green Lane #2, Thornhill L3T 7P5 | (905) 881-6500 |
| Murphy's Auto Svc 7171 Yonge St, Thornhill L3T 2A9 | (416) 221-2600 |
| My Mechanic Auto Repair 90 Basaltic Rd, Thornhill | (905) 761-0642 |
| Newken Auto Svc Ltd 60 Green Lane #23, Thornhill L3T 7P5 | (905) 882-4216 |
| North West Auto Electric 50 Doncaster Ave, Thornhill L3T 1L4 | (905) 889-9862 |
| North Toronto Collision 33 Glen Cameron Rd #10, Thornhill L3T 1N9 | (905) 881-2311 |
| Northwest Auto Electric 50 Doncaster Ave #1, Thornhill L3T 1L4 | (905) 889-9885 |
| Nu-Tech Auto Ctr 385 John St, Thornhill L3T 5W5 | (905) 764-1440 |
| Peck Brothers Ltd 34 Doncaster Ave #12, Thornhill L3T 4S1 | (905) 889-4477 |
| Sigma Automotive Inc 29 Guardsman Rd, Thornhill L3T 6L2 | (905) 771-6556 |
| Prime Line Auto Svc Ltd 60 Green Lane #9, Thornhill L3T 7P5 | (905) 882-9905 |
| Sunflower 41 Maple, Thornhill | (905) 881-6838 |
| Bayview-Greenlane Auto Repair 60 Green Lane #14, Thornhill L3T 7P5 | (905) 882-8354 |
| Birkshire Auto Repairs Ltd 73 Green Lane, Thornhill L3T 6K6 | (905) 731-1299 |
| Rudy's Motors 19 Ruggles Ave, Thornhill L3T 3S4 | (905) 881-1437 |
| Staios Sales Auto Consultants 20 Harlech Crt, Thornhill L3T 6L5 | (905) 881-6164 |
| Eddy's General Garage 107 Langstaff Rd E, Thornhill L3T 3M5 | (905) 886-8844 |
| Sum Kim Auto Svc Inc 134 Doncaster Ave, Thornhill L3T 1L3 | (905) 882-9996 |
| Thornhill Auto Electric 119 Doncaster Ave, Thornhill L3T 1L6 | (905) 771-0462 |
| Thorn Green Automotive Ltd 47 Guardsman Rd #1, Thornhill L3T 6L2 | (905) 881-8723 |
| Thornhill Precision Auto Svc 60 Green Lane #7, Thornhill L3T 7P5 | (905) 881-1375 |
| Top Town Auto Repair Ltd 7121 Bathurst St, Thornhill L4J 2J7 | (905) 889-9179 |
| Trans-O-Matic 60 Green Lane, Thornhill L3T 7P5 | (905) 886-9411 |
| Brake Tech Automotive 87 Green Lane, Thornhill L3T 6K6 | (905) 763-2990 |
| Wheelman Auto Svc 60 Green Lane #17, Thornhill L3T 7P5 | (905) 707-1763 |
| Wolfdin Motors Inc 7738 Yonge St, Thornhill L4J 1W2 | (905) 889-8200 |
| Car Care Auto Ctr 18 Harlech Crt, Thornhill L3T 6L5 | (905) 731-6800 |
| Certigard 274 Steeles Ave E, Thornhill L3T 1A7 | (905) 881-5842 |
| Ctv Auto Svc Ltd 50 Doncaster Ave #12, Thornhill L3T 1L4 | (905) 731-0214 |
| Dan T Maintenance 71 Glen Cameron Rd #5, Thornhill L3T 1P5 | (905) 881-0775 |
| Eli's Auto Svc 33 Glen Cameron Rd #5, Thornhill L3T 1N9 | (905) 709-0656 |
| Doncaster Auto 134 Doncaster Ave #7, Thornhill L3T 1L3 | (905) 731-1539 |
| Gary's 555 N Rivermede Rd, Thornhill | (905) 761-5143 |