Its distribution arm serviced approximately 1.5 million customers in northern, southwestern and eastern Ontario.

[3] Enbridge has since begun to gradually phase out the Union Gas name in favour of its corporate brand.

In addition to natural gas service, Union Gas formerly rented gas-powered water heaters to residential customers; this operation was separated into a sister company, Union Energy, in 1999.

[4] Union Energy in 2021 was acquired by CK Asset Holdings (75%) and CK Infrastructure Holdings (25%), which are affiliated with Li Ka-shing,[5][6] and is now known as Reliance Home Comfort.

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