| Business | Phone |
| 1030917 Ontario Ltd 2900 Steeles Ave E, Thornhill L3T 4X1 | (905) 763-1199 |
| Thornhill Ultrasound 7330 Yonge St #206, Thornhill L4J 7Y7 | (905) 889-5926 |
| X-Ray Assoc 8188 Yonge St, Thornhill L4J 1W5 | (905) 881-8006 |
| D C Diagnosti Care Inc 7131 Bathurst St #Ll3, Thornhill L4J 7Z1 | (905) 889-2400 |