Stevens Construction

Dan Vos Construction Company is a full-service construction firm, serving Grand Rapids, West Michigan and the Midwest by delivering effective building solutions to clients through design-build, general contracting and construction management methods. Headquartered in Ada, Michigan, we provide complete architectural engineering services as well as service teams which deliver specialized facility maintenance, steel and home modification services.

Great Lakes Systems, also known as GLS, is a roofing contracting company that installs a range of single ply roofing systems. Founded in 1969, it is an approved applicator for Firestone Industrial Products, Sarnafil, Duro-Last Roofing and Haartz-Mason. The company has a fleet of trucks, conveyors, hydrocranes and power gravel movers. Great Lakes Systems also conducts outside and in-house training programs for personnel. It operates service and sheet metal departments. The company s clients include SDH Construction Services, P&K Steel Service, Forest Hills Public Schools and Barnes Management. Great Lakes Systems has undertaken several projects, including Spectrum Hospital, Kent Hills Elementary School, Hamilton Middle School and the Zollar Student Activity Center. It is a member of the Midwest Roofing Contractors Association, National Federation of Independent Business, National Roofing Contractors Association, and Associated Builders and Contractors.