Evergreen Slate Company, Inc.
Evergreen Slate quarried for roofing stock is of dense, sound rock and exceedingly tough and durable.
GAF Materials Corporation
The TruSlate® system from GAF can make your dream of owning a genuine slate roof a reality.
Sheldon Slate's natural roofing slate endures for centuries, and has been acclaimed for its performance, aesthetic qualities, and longevity.