Crane Products Ltd.
P.O. Box 1898
Columbus, OH 43216-1898
Phone: 888-326-2638
http://waterfall.crane-plastics.com/

Flo Free
225 West Avenue
Springfield, PA 19064-
Telephone: 800-622-4455
Fax: 888-356-3291
http://www.flofree.com/

Gutter Helmet
http://www.gutterhelmet.com/benefits.htm