Product Lines Explore Finkbiner Equipment Company's extensive line of construction equipment, including product lines from Gomaco, Gorman-Rupp Pumps, Liebherr, Midland, Roadtec, and more. Gomaco Gorman-Rupp Gradall KPI-JCI Astec LaBounty Liebherr Mauldin Midland Machinery Co. Minnich Roadtec Sakai Superior Broom Townmaster