At SIMCO, find drilling equipment including water well drilling rigs, geothermal drilling rigs, drill rigs, drill equipment and more. Request a quote! SIMCO Drilling Equipment, Inc. began designing and building all-hydraulic, long stroke, tophead drive drilling rigs in 1971 at our manufacturing facility located in Osceola, Iowa. Today, SIMCO drilling rigs, drilling rig equipment and water well equipment are working on every continent in the world. Backed by over 45 years of experience in the drilling world.