North American Energy Partners Inc. (NAEPI) provides a range of heavy construction and mining and pipeline installation services to customers in the Canadian oil sands, industrial construction, commercial and public construction and pipeline construction markets. The Company's primary market is the Canadian oil sands, where it supports the customers' mining operations and capital projects. NAEPI provides services through all stages of an oil sands project's lifecycle, its core focus is on providing recurring services, such as contract mining, during the operational phase. During the fiscal year ended March 31, 2012 (fiscal 2012), recurring services represented 87% of the oil sands business. The Company's business segments include heavy construction and mining and pipeline. In July 2013, the Company announced that it has completed sale of its Piling businesses to Keller Group plc.