GM MARBLE & GRANITE INC is a specialty contractor specializing in the installation and repair of high-quality marble and granite countertops, flooring, and other stone products. We serve the Concord, CA area, and provide durable, beautiful solutions.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how GM MARBLE & GRANITE INC broke down on May 3, 2026.
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