Western Energy Services Corp. is an oilfield service company engaged in the provision of contract drilling services. The company is headquartered in Calgary, Alberta and currently employs 615 full-time employees. The firm's services include Horizon Drilling, Stoneham Drilling, Eagle Well Servicing and Aero Rental Services. Its contract drilling business includes drilling rigs along with related ancillary equipment. Its production services business includes well servicing rigs and related equipment, as well as rental equipment. The company markets a fleet of approximately 41 drilling rigs specifically suited for drilling complex horizontal wells across Canada and the United States. The firm operates around 62 well servicing rigs. Stoneham drilling rigs can include features such as AC power, top drive, dual fuel, automated pipe handling, automated catwalk, hydraulic substructure levelling, hydraulic BOP handling and Range III tubulars.