Manufacturer of Quality Tanks, Vessels, and Equipment Steel-Pro is a custom manufacturer of ASME pressure vessels, biopharmaceutical equipment, modular skids, vacuum chambers, storage tanks and other custom designed equipment and stainless steel applications. Industries served include biopharmaceutical, semiconductor, alternative energy, power generation, and other industrial applications. Steel-Pro’s clients consist of well-established and industry leading firms that require exceptional precision and quality engineered components delivered on time and at competitive prices.