Profile: Great Lakes Forge, Inc. is a fully equipped machine shop. We provide rough turning, boring, milling and grinding services. We specialize in stainless, alloy and carbon steel. We are an ISO 9001 certified company. Our products include blocks, squares, rectangular bars, rounds, discs, flanges, hubs, spindles, straight shafts and stepdown shafts. We serve aerospace, power generation, mining and petrochemical industries.