Sheet Metal London Heathrow Airport, Hounslow - Welcome to the London Heathrow Airport Sheet Metal Directory listing recommended sheet metal suppliers in London Heathrow Airport. It lists those who offer sheet metal manufacturing and sheet metal in London Heathrow Airport, Hounslow. Do you have a London Heathrow Airport business? If so, why not advertise it on the London Heathrow Airport Business Directory - IT'S FREE.