ASK - Buttweld Fittings, C.S. & S.S. Japan # Beck-Crespel - Stud Bolts & Nuts - France # M.E.G.A - Forged Steel Fittings - Italy # Sumitomo -C.S. Seamless Pipes - Japan # Ulma - forged Steel Flanges, - Spain # Silcotub - C.S. Seamless Pipes - Romania # Benkan - Buttweld fittings - Japan # Petrotub - c.S. Seamless Pipes - Romania # Melesi - Glanges - Italy # J.D. - forged Steel Fittings - France.