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  • John Ernewein Website
    519.881.0187
    14 Industrial Rd, Walkerton, ON N0G 2V0

    John Ernewein Ltd., founded over 60 years ago, is a leading Ontario-based construction and engineering firm specializing in agricultural and commercial building projects. With a legacy of quality craftsmanship and community trust, the company delivers sustainable, on-time projects using modern tech…