DICKINSON, N.D. (AP) — Two Wyoming men have been hospitalized after the Montana plant they were working at exploded.

The Associated Press reports that the men were taken to a hospital in Dickinson, N.D. They were working for Custom Carbon Processing, which recycles slop oil into usable oil.

The company's vice president, Matt Campbell, confirmed the explosion at the Wibaux, Mont., operation. He did not release the men's condition.