Cook, Tim (7 July 2017). "$150 million plant coming to Ranson". The Journal. West Virginia, United States: Ogden Newspapers. Retrieved 17 November 2017.
Roxul facility opened 2014; Rockfon facility opened in 2017. Lantrip, Patrick (23 October 2017). "U of M Files $33.5M Permit for Land Bridge". Memphis Daily News. 4594 Cayce Road. Retrieved 17 November 2017.