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Collier Stone Company, one of the largest distributors of building stone and aggregate products in Southwestern Pennsylvania, carries a wide range of the highest quality natural stone and pre-cast products.

Our quarry stocks over 300 tons of natural stone from all over the United States including South Bay Cottage wall stone, Mountaineer stone and the popular Pennsylvania bluestone. Our pre-cast products include Unilock pavers and retaining walls, Anchor retaining wall systems and Dutch Quality veneers.

Collier Stone Company also has veteran stone fabricators on site to cater to your custom stone cutting and fabrication needs. Our fabrication shop specializes in granite and the production of any architectural limestone and sandstone product our customers might desire including hearthstones, wall caps and keystones.

The "Collier Grey" stone quarried from this site is just one of the hundreds of stone types that we offer our customers.