AltaGas owns and operates natural gas distribution (NGD) assets that deliver natural gas to end users. These regulated assets are located in Alberta, Nova Scotia and the Northwest Territories and serve more than 72,000 customers. Ownership includes 100 percent of both AltaGas Utilities Inc. (AUI) and Heritage Gas and 33.335 percent ownership of Inuvik Gas Ltd. (Inuvik Gas) and the Ikhil Joint Venture. The businesses were acquired in the fourth quarter of 2009 through the purchase of 80.2 percent of AltaGas Utility Group not already owned by AltaGas and 75.1 percent of Heritage Gas not already owned by AltaGas.