DAVID PORTER is a specialty contractor specializing in structural steel work, including roofing, framing, and modifications, throughout Dixon, IL.
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 DAVID PORTER broke down on May 5, 2026.
Operator ranks every specialty contractor in Dixon every night at 2 am HST using reviews, response rate, and local market share.
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