February 2010 - Marmon/Keystone, Butler, Pa., plans to close its Bolingbrook, Ill., warehouse operations and relocate to a state-of-the-art facility in Spring Valley, Ill. The 22-acre site is expected to be operational near the end of the third quarter or early in the fourth quarter 2010. The management, administrative and sales personnel will stay in Bolingbrook with the possibility of future relocation to different offices near Bolingbrook.