(#) Designates location on Town Map.

1. Langstaff Community Association Inc.
2. Ward 1 (South) Thornhill Residents Inc.
3. Grandview Area Residents Association
4. Legacy Community Ratepayers Association Inc.
5. Bayview Country Club Estates Ratepayers Association
6. Cricklewood Ratepayers Association
7. Victoria Square Ratepayers Association
8. Jennings Gate Ratepayers Association
9. Devil's Elbow Ratepayers Association
10. Cornell Ratepayers Association
11. Unionville Ratepayers Association
12. Leitchcroft Ratepayers Association
13. Village Green Ratepayers Association
14. South Unionville Community Association (SUCA)
15. Old Markham Village Ratepayers Inc.
16. Vinegar Hill Ratepayers Association
17. Sherwood-Amberglen Ratepayers Association
18. Cedar Grove Community Club
19. German Mills Ratepayers' Association Inc.
20. Bayview Fairways Ratepayers Association
21. Cathedraltown Community Ratepayers Association
22. Box Grove Community Association
23. Wismer Ratepayers Association

24. Rouge Fairways Residents Association
25. Rouge River Estates Residents Association
26. Unionville Historical Society
27. Boyington Heights Ratepayers Association
28. Angus Glen Ratepayers Association
29. Markham Village Conservancy
30. Unionville Villagers Association
31. Raymerville Ratepayers Association
32. Aileen-Willowbrook Ratepayers Association Inc.
33. Bayview Glen Residents Association
34. Milliken Mills East Ratepayers Association
35. Greensborough Community Ratepayers Association
36. Victoria Manor Community Association
37. Thornhill Conservation District Ratepayers Association
38. Cedarwood Community Association
39. South Bridle Walk Ratepayers Association
40. Dickson Hill Hamlet & Neighbourhood Community Association
41. Leslie Street Thornhill Ratepayers Association
42. Cedarwood Tamil Community Association
43. M.A.G.I.C. - Markham Action Group for Improved Community
44. South Markham Residents Association
45. Aldergrove Ratepayer Association
46. Sherwood South Ratepayers Community Group