WILLIAM KELLER (specialty-contractor) provides specialized construction and repair services, including roofing, flooring, and remodeling, throughout Newcastle, ME. We deliver high-quality workmanship and timely project completion.
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 WILLIAM KELLER broke down on May 6, 2026.
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