Precision Drilling Trust, through its subsidiaries, provides contract drilling, and completion and production services to the oil and gas exploration and production companies in Canada, the United States, and internationally. The contract drilling services include land drilling, and camp and catering services, as well as consist of the procurement and distribution of oilfield supplies, and manufacture and refurbishment of drilling and service rig equipment. The completion and production services include service rig well completion and workover services, trucking services, snubbing services, and wastewater treatment services, as well as comprise the rental of oilfield surface equipment, tubulars and well control equipment, and wellsite accommodations. As of December 31, 2008, Precision Drilling Trust had 220 land drilling rigs, 229 well completion and workover service rigs, 29 snubbing units, and approximately 12,000 rental items in Canada. Precision Drilling Trust had 151 land drilling rigs in the United States, 2 rigs in Mexico, and 1 in Chile. Precision Drilling Trust was founded in 1951 and is headquartered in Calgary, Canada.