Girard Equipment, Inc., family owned and operated since 1952, is one of North America's leading builders of the most widely used safety equipment for the tank trailer industry. Our popular line of Pressure Relief Vents and Magnetic Vacuum Breakers for both MC307 & DOT 407 specification tank...
Hart industries is the premier company in the Industrial, Chemical, Petroleum and Bulk Transport hose and accessory technologies. When service, value and innovation are important, Hart is the name to choose.