Eli Lilly announced plans for four new pharmaceutical manufacturing sites to produce domestic medicine production in the United States and make the nation the world's leader in pharmaceutical production.

The story has been updated to correct the new site locations At a press conference in Washington, D.C., Eli Lilly And Co (NYSE:LLY) announced its plans to bolster its domestic medicine production across therapeutic areas by building four new pharmaceutical manufacturing sites in the United States.

Eli Lilly said it plans to build three new plants in the United States to make the key ingredients used in pharmaceuticals, part of a doubling of its investment in manufacturing.