May 9, 2011. Welspun Corp, the flagship company of the Welspun Group, has bagged orders worth Rs. 788 crore for plates, coating and other line pipe items. Welspun Corporation is among the largest line pipe companies in the world and has a manufacturing capacity of 2 million tonnes per annum at Dahej, in Gujarat. The company also has manufacturing facilities in the United States of America and Saudi Arabia.