Profile: Rig Builders International, LLC offers a full service drilling rig construction company. We supply new/used and fully reconditioned land oil drilling rigs. We design oil drilling rig packages, masts, substructures, derrick, helicopter drilling rigs and arctic drilling rigs for all types of climates terrain & horsepower ratings. We also provide drilling rig inspection, welding consultation, quality documentation, project management and drilling equipment acceptance testing service.