Treo is recognized as the contractor of choice for oil sands coring. Our experienced crews and purpose-built coring rigs achieve exceptional efficiency and core recovery rates. We also provide shallow oil and natural gas drilling, water well and surface casing pre-set services to leading oil and natural gas producers throughout the Western Canada Sedimentary Basin. Treo has its operations and manufacturing facility in Ponoka, Alberta. We have over 400 employees from across Canada during the winter drilling season.