 Also in that same year, following the acquisition of the American company OMSCO in September 2005, Vallourec became the world's second largest manufacturer of drill pipes.The drill pipe operations were regrouped under the name VAM Drilling, and in 2013 renamed Vallourec Drilling Products.Vallourec continues to develop its operations in the Oil & Gas sectors, reinforcing its presence in China and the Middle East and investing in tubes for nuclear plants.