Corcoran Laboratories, Inc.
1405 N. Johnson
Bay City, MT 48708 USA

Fax: 517-872-6582
Phone: 517-892-6580

Dow Corning Corp.
PO Box 0994
Midland, MI 48686-0994

Phone: Tel: 517-496-4400

Gelest Inc.
612 William Leigh Drive
Tullytown, PA 19007-6308

Phone: 215-547-1015
Fax: 215-547-2484