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Platinum Donors
- York Region, Natural Heritage & Forestry
- Teufelberger Fiber Rope Corporation
- ISA Ontario Chapter
- Ladybug arborists
- David Hosleton
- Momentum Lift Equipment
- Petzl America
- Nisco National Leasing
- BC Plant Health Care Inc.
- Ontario Line Clearing & Tree Experts
- ISA Atlantic Chapter
- Eloquip
- Phil Graham
- Hoselton Studios
Gold Donors
- ISA Prairie Chapter
- Arboreal Inc.
- Arboriculture Canada Training & Education
- BioForest
- UTS Tree Care
- Cathy V Bentley Forestry Consulting
- Randy Lidkea
Silver Donors
- Greenworks Tools Canada
- Heidi Breen
- Design by DeVries
- WSPS Workplace Safety and Prevention Ser.
- Husqvarna
- Vermeer Canada
- Ragged Rascal Inc.
- Thomson Watson Consulting Arborists Inc.
- Clogger Safety Gear
- Elwood Pricklethorn
- Betty Graham
Bronze Donors
- Linda Hawkins
- People Corporation Hort Protect
- Plant Products Wellington Ct.
- City of Cornwall
- Altec Industries Ltd
- Maple Leaf Ropes
- Up & Down Lifting Solutions
- ArborWear
- Angela Hansen
- Anne Howatt
- Scott MacCoubrey
- Joanna Nakeff
- Judith Pretty
- Gateman-Milloy
- Bridget Dilauro
- Hummingbird Plant Health Care
- Ruth McLennan
- Tree Diaper
- Dynamic Green Products
- Guardian Tree Service
- Ironwood
- Stihl Canada
- Storm Water Forestry
- Tree Trust
- Melisa Cormier
- Kathryn Fowlston
- Taylor Hoselton
- Dave Leonard
- Cynthia MacLean
- Marian Makar
- Justin Paulson
- John Campbell
- AMA Horticultural Inc.
- Miriam Mutton
- Melanie Sinclair
- Ruth Torchinsky
- LAZYGIRL
- Denise & Rory Quigley
- Gord Burdick
- Nicole McKenzie
- Elizabeth Evans
- Steve Whitbread
