Gajeske, Inc. Your Polyethylene Specialists. At Gajeske, we have the capabilities to outfit any project for nearly any market. Our product lines range from small to large diameter polyethylene, corrugated, and conduit pipe, and all related fittings, valves, and accessories, to every size of McElroy fusion machines available for sale or rent. Our extensive stocking inventory of pipe, products, and machines is supplemented by our certified technicians and mechanics, custom fabrication services, and even fusion qualification, operator qualification and safety training. We strive to be a one-stop-shop for your companys every need and will work with you to customize and streamline your project.