Certified Energy Services Ltd. is a privately owned and operated oilfield service company based out of Estevan Saskatchewan. Certified provides high quality, safe and reliable well servicing operations to SE Saskatchewan and SW Manitoba. Highly trusted in the oil and gas sector and a major provider to all Potash companies in Saskatchewan. Privately owned and operated we pride ourselves on reliable and competent employees with a high execution of standard of service. Certified is COR certified and a standing member of CAODC, ISN, Comply works.