J-W Operating Company specializes in energy development and energy services. It is a wholly owned subsidiary of J-W Operating Company, who is an industry leader in the leasing, servicing, fabricating and sales of natural gas compression equipment. It operates the largest privately owned compression fleet in the United States with compressors ranging in size from 18 to 2,650 horsepower. J-W Power Company also builds custom compressor packages for sale or lease. In addition to these services, Excell Services is involved in water hauling, fracture tank rental, pipe transportation and pipe storage.In its Wray, Colorado location, J-W serves as an operator of certain gas leases and owners of oil and gas leasehold interests.