Citizens Groups
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Amnesty International
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905-640-3840
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Block Parents Groups Markham Chapter
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905-294-7499
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Thornhill Chapter
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905-707-5212
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Unionville Chapter
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905-479-6568
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Harmony Movement
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416-385-2660
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Heintzman House Auxiliary
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905-889-7980
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Mothers Against Drunk Driving(M.A.D.D. York Region)
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1-800-953-9984
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Markham/Unionville Newcomers Club
Markham
Unionville
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905-947-0035
905-943-9609
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Milne Park Conservation Assoc.
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905-294-3200
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Neighbourhood Watch
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905-881-1221
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Order of the Eastern Star
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905-294-1929
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Save the Rouge Valley System
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416-282-9983
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Sierra Club (Trillium Group)
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416-960-9606
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Thornhill Newcomers & Alumni Association
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905-731-6669
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Take Off Pounds Sensibly (TOPS)
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905-477-4618
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