Your industry demands rugged, durable, dependable equipment that can run 24 hours a day, 7 days a week, all year long. There is no room for error. That is why you need Tasso to rely on for your cast iron parts. Oil and gas can be a very cyclical industry, but Tasso remain a reliable supplier of pressure-retaining iron castings in line with your demands and requirements. We manufacture both grey and ductile iron casting for a variety of oil field applications. Finished components for this industry include pistons, camshafts, cylinder liners, damper pistons, gears, pulleys, valve guides and tappet guides and more that meet specification for strength and hardness.