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Founded in 1992, Ledy Design Group is a general contracting company that provides architectural, surveying, and civil and structural engineering solutions for commercial and industrial clients. It specializes in the construction of aircraft hangers, warehouses, offices, educational institutions, medical facilities, restaurants, retail stores, and apartment buildings and complexes. The company offers computer-aided design, site development, construction management, project administration, forensic engineering, plot planning, staking, mortgage reporting and topographic mapping services. It additionally provides permit processing, municipal reviewing, roadway design, floodplain analysis, documentation, operator inspection, soil erosion control, scheduling, consulting, and site investigation and evaluation services. Ledy Design Group is located in Lansing, Mich.

GPRT - Ground Penetrating Radar Technology services Michigan, Ohio, and Indiana. With the use of the most modern technology in ground penetrating radar equipment and our experienced personnel, GPRT is right for your project...

Driesenga & Associates is a full-service engineering firm that serves clients through various locations in Michigan. The firm provides landscape architecture, environmental consultation, and land planning and surveying services. Its site development group offers selection, layout, permitting, design and feasibility study solutions for residential, commercial and industrial projects. Driesenga & Associates' transportation design group serves local, county and state highway agencies. The firm has expertise in conducting a range of geotechnical investigations for the construction of dams, multistory structures and retaining walls. In addition, it offers construction materials testing services. Driesenga & Associates' project portfolio includes the Kalamazoo Transportation Center, Bank of Holland, Loose Leaf Lofts and the Holland Community Aquatic Center.