Aluminium Extrusions St. Helens, Warrington - Welcome to the St. Helens Aluminium Extrusions Directory listing recommended aluminium extrusion suppliers in St. Helens. It lists those who offer aluminium profiles and aluminium extrusions in St. Helens, Warrington. Do you have a St. Helens business? If so, why not advertise it on the St. Helens Business Directory - IT'S FREE.