One of the key success factors of United Rock Products is our affiliation with local, state, and federal associations. Not only do these associations focus on our industry, but they also focus on local businesses through networking.

California Construction and Industrial Materials Association (CalCIMA)

National Stone, Sand and Gravel Association (NSSGA)

Irwindale Chamber of Commerce



Primarily consisting of crushed rock, sand and gravel, United Rock Products manufactures most products that specifically cater to the construction, ready mix, and asphalt industries. However, we are able to manufacture specialty products based on the client’s request.

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