Associates
- Collecdev Inc.
- Diverso Energy
- Energuy Holdings Ltd.
- Enwave Energy
- Evolved Thermal Energy Inc.
- Gorski Plener & Associates Inc.
- Hamilton Community Enterprises
- Hayward Consulting & Design
- New Horizon Development Group
- OEC
- Rathco Engineering
- Springbank Energy Inc.
- Synergy HVAC Design Inc.
- Toronto Health and Safety Consultants Inc.
- Vista Credit
- York University
Contractors
- 719329 Ontario Limited o/a Laskey's Service Ron Smith Well Drilling & Ontario Ge
- Abram Refrigeration & Systems
- Aecon GeoExchange Solutions
- Aecon Green Energy Solutions Inc.
- Air Rock Drilling Company Ltd.
- ATEL Air Heating & Air Conditioning
- Bostech Mechanical Ltd.
- Bryan's Fuel
- Buchanan & Hall
- Central Climate Control Inc.
- Cook's Plumbing & Heating
- Denoco Energy Systems Ltd.
- Earth4u
- GeoEnergy Systems Inc.
- Geo - Teck Heating & Cooling Limited
- Geo Source Energy Inc.
- Geothermal Solutions
- Geo-Thermal Furnaces Ltd
- Groundheat Solar Wind Corp.
- House Depot
- JAC Mechanical
- Konkle Plumbing & Heating Inc.
- Koolen Electric
- M.A.R.C.H. ClimateCare
- MAK Mechanical Ltd.
- McCrea's ClimateCare
- McDonald HVAC Services Ltd.
- Mirabelli HVAC Inc.
- Nottawasaga Mechanical
- Quest Geothermal
- R.B. Heating ClimateCare
- Reliance Home Comfort - Toronto Head Office
- Rick Menard Heating & Cooling Ltd.
- Simcoe Muskoka Home Comfort
- Subterra Renewables
- The Green Method Inc
- Waterloo Energy Products
Manufacturers
- Enertech Global-Canada
- Nordic Heat Pumps - Maritime Geothermal Ltd.
- Sporlan Valve, A division of Parker Hanniifin Canada
- Unilux HVAC Industries Inc.
- WaterFurnace
