Chemical Manufactures & Distributors     Cole Chemical & Distributing, Inc.   800-444-2171 Fax: 713-461-3462   Donna F. Cole, President   952 Echo Lane, Ste. 430   Houston, Texas. 77024-2750     Diehl Chemical, Inc.   713-333-5346 Fax: 713-333-4511   Beth M. Diehl, President   P.O. Box 5846   Houston, Texas. 77058 Chemical Distribution