Top Line Fabrication & Welding is a licensed and insured welding company based in Hayward, California, serving the entire Bay Area. We specialize in structural steel fabrication, on-site welding, custom handrails, guardrails, staircases, steel gates, heavy equipment repair, and stainless steel work for commercial and residential clients. With over a decade of industry experience, we deliver high-quality, code-compliant welding solutions with fast turnaround times. Trusted by contractors, developers, and property managers, our team is committed to safety, precision, and customer satisfaction.

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