United Marble & Granite is a full-service marble and granite slab fabrication and installation company that specializes in fine granite, marble, Caesar Stone and tile. UMG serves the greater San Francisco, Oakland Bay Area as well as the Central Valley, including Stockton, Tracy, Modesto, Discovery Bay and the Central Coast from Hollister to Santa Cruz. The company imports slabs from Italy and Brazil and also purchases from local suppliers. UMG works directly with builders/contractors or as a sub of a designated contractor or design center. Its slabs are CNC machined with exquisite detail in fully polished surfaces, completely hand-finished with wet diamonds. The company was founded in 1998 and is located in San Jose, Calif.
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