| Business | Phone |
| Advanced Learning Day Care Ctr 8403 Yonge St, Thornhill L3T 6R2 | (905) 889-8898 |
| German Mills Child Care Ctr 61 Simonston Blvd, Thornhill L3T 4R5 | (905) 709-3484 |
| St Rene Child Care 407 & Leslieamp;, Thornhill | (905) 889-1627 |
| Green Lea Nursery School 149 Bay Thorn Dr, Thornhill L3T 3V2 | (905) 764-7525 |
| Heart House Nursery School 25 Elgin St, Thornhill L3T 1W5 | (905) 731-0869 |
| Kids Come First Child Care Ctr 40 New Westminster Dr, Thornhill L4J 7Z8 | (905) 660-3467 |
| Wilshire Child Care 265 Beverley Glen Blvd, Thornhill L4J 7S8 | (905) 709-2273 |
| Loving Care Ctr 601 Clark Ave W, Thornhill L4J 8E1 | (905) 764-6663 |
| Lyndhurst Day Nursery 1 Lyndhurst Dr, Thornhill L3T 6T5 | (905) 886-7455 |
| B'Nai Shalom Day Nursery 275 Arnold Ave, Thornhill L4J 1C3 | (905) 731-2797 |
| North Meadow Child Care 290 York Hill Blvd, Thornhill L4J 3B6 | (905) 889-5270 |
| Northwood Academy 1 Brooke St, Thornhill L4J 2K7 | (905) 709-7600 |
| Rocking Horse Day Nursery 21 Guardsman Rd, Thornhill L3T 6L2 | (905) 764-3933 |
| Rosedale North Child Care Ctr 300 Rosedale Heights Dr, Thornhill L4J 6Y8 | (905) 771-6820 |
| St Joseph The Worker Child Ctr 475 Brownridge Dr, Thornhill L4J 5Y6 | (905) 660-3527 |
| Stornoway Child Care 36 Stornoway Cres, Thornhill L3T 3X7 | (905) 707-6805 |
| Thornhill Child Care Ctr 7755 Bayview Ave, Thornhill L3T 4P1 | (905) 881-3122 |
| Thornhill Nursery School 140 Brooke St, Thornhill L4J 1Y9 | (905) 889-4543 |
| Vaughan Day Care Ctr 501 Clark Ave W, Thornhill L4J 4E5 | (905) 731-1226 |
| York Region Ymca 121 Joseph Aaron Blvd, Thornhill L4J 6J5 | (905) 660-3509 |
| Yorkview Day Care Ctr 3 Coulter's Mill Gate, Thornhill L4J 6N3 | (905) 738-5462 |
| Butternut Children's Ctr 1000 New Westminster Dr #101, Thornhill L4J 8G3 | (905) 882-9551 |
| Coulter's Mill Preschool 1401 Clark Ave W, Thornhill L4J 7R4 | (905) 660-5152 |
| Doncrest Early Learning Ctr 300 Steeles Ave E, Thornhill L3T 1A7 | (905) 889-2353 |