SCSDC: Investing in Our Neighborhood Caring about the future. Investing in our residents and businesses. That's the mission of St. Clair Superior Development Corporation: We build communities where people choose to be. It's a goal we take to heart. With over 30 years' history of active community involvement, we are proud to carry on the tradition of bringing together residents, businesses and institutions in our community to build a solid foundation of growth, stability and diversity today, tomorrow, and well into the future. Residents, businesses and institutions have recognized the unique qualities that make the St. Clair Superior neighborhood a place to live and work. We are pleased to continue this tradition.