Giles Chemical
PO Box 370
Waynesville, NC 28721
Contact: Jim Hill, President
Phone: (828) 452-4784 Ext-14

Potash Import & Chemical Corporation
201 East 42nd Street
Suite 1808
New York, NY 10017
Contact: Mark L. Roberts, President
Phone: (212) 697-4994

PQ Corporation
P.O. Box 840
Valley Forge, PA 19482-0840
Contact: Customer Service
Phone: (800) 944-7411