Solid as a Rock: The three-generation Charlevoix-based family business is changing the shape of the earth around the world
In 1999, Charlevoix brothers Jim, Ben, and Mark Manthei were running a heavy construction business and doing work at Bay Harbor, the luxury residential community along Lake Michigan, just south of Petoskey. The development needed a new retaining wall built.
The brothers had no experience in retaining walls, but they …
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