In 1991, Hanger Orthopedic Group created and issued new shares of common stock through a public offering on the American Stock Exchange. In 1968, Ivan R. Sabel founded Capital Orthopedics. In 1986, Colorado-based Sequel Corporation acquired Capital Orthopedics. As President and COO, Mr. Sabel reunited the various Hanger companies and executed an aggressive consolidation strategy.

In 1989, J. E. Hanger, Inc. of Washington, D.C., was purchased by Hanger Orthopedic Group, Inc. and became part of their wholly owned subsidiary, Hanger Prosthetics and Orthotics.