Pioneer is a leading steel building manufacturer of clear span, trussless, and self supporting arch style structures. Since 1080 we have manufactured a complete range of premium quality steel buildings for industrial, commercial, military and agricultural applications. As your steel building manufacturer, our in house engineering and construction facilities will enable us to design and test your metal buildings for virtually any general situation. We also offer you a wide range of accessories like doors, insulation kits and heating systems. Pioneer building manufacturers are located in Mississauga, Ontario, Canada and we export our products through out the world.