Our Pump  Jacks is committed to building the most dependable beam-balanced pump jacks in the industry.  We offer a complete range of sizes from 10,000 through 57,000 inch pounds of torque. They are used for pumping oil and water recovery from gas wells up to 6200 feet. Rigid quality control standards at every step of the manufacturing process assure that the pumping unit is built to provide many years of dependable service.  Every Cook Pump Jack is designed and developed to incorporate the latest in engineering, field testing and proven mechanics.  Our units are precision-built to deliver that rugged dependability wherelow cost production is essential.