Matthews | DCCM is the largest full-service civil engineering, roadway design, land development, landscape architecture, and consulting firm in St. Johns County. Founded in 2005, Matthews | DCCM provides unparalleled engineering services to public and private clients throughout the Southeastern United States. FDOT Work Group Prequalifications 3.1 - Minor Highway Design 3.2 - Major Highway Design 7.1 - Signing, Pavement Marking and Channelization 10.1 - Roadway Construction Engineering Inspection 13.6 - Land Planning/Engineering 15 - Landscape Architect From concept to completion, Matthews | DCCM can offer a total solution to meet an array of civil engineering needs. A dedicated team of skilled professionals provide every client the benefit of extensive experience, technical aptitude, and commitment to make each project a success.