1. Hammer Contractors Design & Build (buildingsupplystore) in Gaithersburg, MD offers comprehensive construction and design services, including framing, roofing, and interior finishing, for residential and commercial projects. We provide expert consultation and project management to ensure client satisfaction.
Operator computes a Health score continuously. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Hammer Contractors Design & Build broke down on Apr 28, 2026.
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