Wesco Testing and Wireline Inc. is a company that has provided swabbing units and personnel for over 35 years. They have locations in Alberta and Saskatchewan and offer fully equipped 40-foot swabbing units capable of swabbing and fishing services in tubing and casing from 60.3 mm to 127 mm in diameter to depths of up to 4000m. Their units include stainless steel line, sour service lubricators, sand lines, and required safety equipment.