Environmental Design Group is a civil engineering, planning, and design firm. Supporting five offices in Ohio, our portfolio of more than 250 park projects is one of the largest in the Midwest.
OHM is an award winning, multidisciplinary firm with planning, urban design, landscape architecture, architecture, engineering, surveying, and construction engineering services.
Terrabilt designs signage, maps, and exhibits. We build high-quality, long-lasting outdoor signs, kiosks, and exhibits for parks, trails, and preserves – with sustainable materials and green manufacturing.