A global leader in the design, manufacturing and distribution of pressure vessel solutions with a heritage that includes Stee ... l Fab, Northland Stainless, LZR FIT, and Silvan Industries. Samuel Pressure Vessel Group has grown through 142 years of combined experience to be a leader in the fabrication and supply of stock and engineered-to-order pressure vessel designs. Our team of experts serve clients with diverse needs – from OEMs to engineering firms and end users – and provide solutions to the pressure vessel requirements of industries such as oil & gas, petrochemical and chemical processing, pharmaceutical, food and beverage, water, compressed air and industrial gas. Samuel PVG At-a-Glance • Leader in stock, custom and engineered-to-order vessel designs • Materials include carbon, stainless steel and other high alloy metals • Vessels from 6” to 192” in diameter • Fabrications to 160,000+ lbs • Pressures from full vacuum to 3,000+ PSI • Over 400 ASME-certified welders • One-day shipping on ASME stock air receivers • ISO 9001 certified read more