Therm-O-Rock East, Inc., located in Western Pennsylvania, near Pittsburgh, has been managed by members of the same family since 1948.
 
Our core competence is our ability to cost effectively blend together many types and sizes of natural materials, minerals, and organic additives. This competence has its origins in our many years of experience expanding vermiculite and perlite, the foundation for many products that we manufacture. Our products are recognized for their consistency and high quality.
 
Because of our ability to combine many different types of organic additives, mineral aggregates and powders, our customers are located all over the world.  We take pride in being nimble and responsive to our customers' changing needs. We work with them to find cost effective solutions to their business challenges.

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Therm-O-Rock East, Inc.

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