Discover durable steel channels in multiple sizes at Ferrum. Perfect for construction, framing, and structural support. A shot blasting and priming service is also available along with nationwide delivery. Duggan Steel (Irl) Ltd was established in 1976. Operating from its facility in Tullamaine. Parallel flange channel (PFC) is normally called channel or a C section. We have become the leading supplier of fasteners and fixings in Ireland, serving the needs of the manufacturing and construction industry. The success of the company has been based on the philosophy of a high level of. ATC are solutions specialists for manufacturing. Special Steels Ltd (SSL) are one of Ireland's leading distributors of Engineering Steels and Stainless Steel. With facilities in Dublin, Cork, and Belfast, we provide a first-class rapid order and next day dispatch of our extensive range of.