| CL Ridgeway LLC. Designs and builds reinforced concrete buried arch systems that are used for applications such as bridges, tunnels and culverts. http://www.con-arch.com/ |
| Hayes, Seay, Mattern & Mattern, Inc. Serving public and private sector clients in the communications,environmental, healthcare, industrial, judicial/corrections, and transportation fields. http://www.hsmm.com/ |
| Shepley Bulfinch Richardson and Abbott A national design practice providing the education, healthcare, science, corporate and public markets with architecture, planning and interior design services. http://www.sbra.com |