John William Ell

Part of ATCO Ltd., ATCO Australia Pty Ltd. generates, transmits and distributes electricity. The company is based in East Perth, Australia. Patrick Creaghan has been the CEO of the Australian company since 2017.

Canadian Electricity Association operates as a national forum and voice for electricity business in Canada. It generate, transmit, and distribute electrical energy to industrial, commercial, residential, and institutional customers such as integrated electric utilities, independent power producers, transmission and distribution companies, power marketers, manufacturers and suppliers of materials, technology, and services. The company was founded in 1891 and is headquartered in Ottawa, Canada.

Luma Energy LLC provides electrical power distribution and transmission services. The joint venture company is based in San Juan, Puerto Rico.

Part of ATCO Ltd., ASHCOR Technologies Ltd. sells coal combustion products. The company is based in Calgary, Canada. The Canadian company was founded in 1998. ASHCOR Technologies was acquired by ATCO Ltd. from Canadian Utilities Ltd. on December 31, 2019 for $26.81 million.