Through its various subsidiaries, RTI manufactures and distributes titanium and specialty metal mill products, extruded shapes, formed parts and engineered systems for aerospace, industrial, defense, energy, chemical, and consumer applications for customers around the world.

[1] Its major U.S. operations are based at its Pittsburgh headquarters with facilities in Martinsville, Virginia; Niles, Ohio; Canton, Ohio; Salt Lake City, Utah; Road Spring, Texas; Houston, Texas; Washington, Missouri; Windsor, Connecticut; Garden Grove, California; Indianapolis, Indiana; Sullivan, Missouri; and Montreal, Quebec, Canada.

Its overseas operations are based in the United Kingdom, Germany, France, Italy, and China.

In March, 2015, RTI International Metals, Inc. was acquired by Alcoa in a stock-for-stock transaction valued at $1.5 billion.

[2][3][4] On Nov 10, 2005, RTI International Metals, Inc. restated its consolidated statement of cash flows for 2004 form 10-K and March 31 and June 30, 2005, Forms 10-Q, due to a newly founded error in the manner in which the company previously classified cash flows from the tax effects of the exercise of employee stock options.