The move comes after failing to agree to a new contract with General Motors over wages, health care and profit-sharing. Nearly 50,000 workers will be affected when production halts.

Grand Rapids, Michigan-based Mill Steel cited a decline in demand for its flat-rolled carbon steel products for the closure.

The move announced Tuesday means that GM will be the focus of bargaining, and any deal with the company will set the pattern for Ford and Fiat Chrysler.

Indiana continues to show success in areas including global reach and tax climate where other states are struggling.

U.S. Steel announced Friday the company will idle its East Chicago Tin mill where an estimated 150 workers could face layoffs.

Production has started on two new vehicle models at Subaru's Indiana factory.

An Alabama-based company that makes pipes for water, oil and natural gas is planning to build a $9 million research and development facility in Crawfordsville.

The Bureau of Labor Statistics reported a national decline in labor productivity for 67 of the 86 manufacturing industries they monitor.

GMC will offer the industrys first carbon fiber bed, called CarbonPro, manufactured by a Huntington, Indiana-based company.