Cobalt Construction Group, LLC was founded in Miami, Florida in 2008. The company engages in Civil and Highway/Heavy Construc ... tion in the South Florida. Cobalt Construction Group, LLC is actively involved in Bridge & Highway Construction projects for the Florida Department of Transportation, Miami-Dade County Public Works Department, Broward County Highway Construction & Engineering Division, Palm Beach Engineering and Public Works Department, and Private Owners & Developers. read more