© Copyright 2006 Giant Cement Holding, Inc.

Welcome to the Keystone Cement Company. 

Keystone Cement manufactures quality Portland and masonry cements that are used in the construction of highways, bridges, and buildings.  Keystone Cement, founded in 1928, is located in Bath, Pennsylvania, approximately 60 miles northwest of Philadelphia.   

Keystone is proud of its commitment to environmental responsibility and its relationship with the local community.  Our employees are active citizens in the Lehigh Valley.  As a company we are committed to building a better life for them and for our neighbors in the community.

In January 2006 our parent company, Cementos Portland Valderrivas, announced plans to invest $165,000,000 in our plant.  This investment will bring the latest in cement making technology to our plant and make us a leader in the region.