Superior Performance for Premium Tubular Products and Services Superior Performance, Superior Performance Inc., vox, vox rental tools, premium thread inspection, oil and gas tools, octg, casing inspection, tubular management services, chrome tubing, laser tally, oilfield rental equipment, tools for drilling Superior Performance Inc. has been a leader in the premium tubular business for decades. Our extensive knowledge of rig operations allows us to prevent problems and offer innovative products to avoid downtime at the rig site.