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Rock is the For-More-Than-Profit Family Office for the Gilberts and their Family of Companies.  We are a team of diverse specialists who collaborate to maximize positive impact for the businesses and people in the communities we serve for generations to come.  The Rock Family of Companies’ mission is to increase growth, innovation and prosperity in the cities in which its more than 30,000 team members live, work and play. Whether it is investing capital to create more jobs, bringing new life to a building, or activating a public space, our philosophy is simple, if we can do something that will affect positive change in these communities that matter so much to us, then we will do it.

ROCK Questions

The ROCK annual revenue was $5 million in 2026.

21 people are employed at ROCK.

ROCK is based in Detroit, Michigan.

The NAICS codes for ROCK are [55, 92, 92111, 9211, 551, 921].

The SIC codes for ROCK are [671, 67].

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