AltaGas Ltd. is a North American energy infrastructure company based in Calgary, Alberta. It operates regulated natural gas utilities in the United States and midstream assets across Western Canada and the Pacific Northwest. Its midstream platform gathers and processes natural gas and handles natural gas liquids, including extraction, fractionation, storage, and marketing of propane, butane, and condensate.
AltaGas provides rail and marine logistics and exports liquefied petroleum gases from West Coast terminals, connecting Western Canadian supply to global markets, particularly in Asia. The company supplies LPG feedstocks to petrochemical and industrial customers through long-term arrangements and spot sales. AltaGas is listed on the Toronto Stock Exchange under the symbol ALA.