Union Energy
- Natural gas supplier offering essential home comfort services including water heaters, heating and air conditioning, and indoor air quality equipment.
- http://www.unionenergy.com/

Ontario Power Generation
- Supplies about 85% of all electricity consumed in Ontario.
- http://www.opg.com/

EnergyOntario.com
- Provides energy users in Ontario with pricing and market information, to make educated decisions when purchasing fixed rate supply of electricity and natural gas.
- http://www.energyontario.com/