Great Lakes Hydraulics LLC (GLH) was established in 1993 as a bolting solution provider of torque and tension tooling. We provide controlled bolt tightening with the use of hydraulic, pneumatic, and/or electric torque wrenches and/or bolt tensioning equipment. Our products are presently used in the wind, petrochemical, refining, drilling, power generation, and specialty manufacturing industries. The utilization of our products allows for a safer and faster means to tighten a bolted connection. This means there are no leaks at start up and there is joint integrity for the entire plant. GLH’s goal is to enhance your company’s bolting process. We are a full-service industrial bolting organization and focus on delivering 100% satisfaction to our clients.