Downing is an OEM manufacturing and technology company specializing in pressure control solutions and innovative drilling and completion technologies. Downing is a recognized technology leader both in wellhead and in the automation of completion surface systems. Downing has developed technology enabling 24/7 fracturing through continuous pumping and the hot swapping of pumps during operations. Downing was established in Oklahoma City, OK in 1980 as a regional wellhead company and has grown into an international manufacturer. Downing is part of SEF Energy, a holding company that is manufacturing-oriented and technology-driven. SEF Energy invests in manufacturing companies that are driven to innovate and continuously improve. SEF Energy believes manufacturing can be done competitively in the United States. Integrating its engineering teams with manufacturing yields efficiencies and superior outcomes. Its U.S.-based manufacturing capacity allows SEF Energy to respond rapidly to our customers’ needs while maintaining a personalized approach. Downing provides the following equipment: Wellheads Production Trees Tubing Hangers Frac Stacks Zipper Manifolds Automation Monoline Digital control