response,energy,munitions response,international development. ECC provides comprehensive, competitive design-build, construction, environmental remediation, disaster recovery, energy, munitions response, and international development solutions to solve some of their client's​ toughest challenges. Together with their clients, they are constructing state-of-the-art facilities for the military, rebuilding war-torn regions, building capacity in underdeveloped nations, remediating the environment, implementing renewable energy and energy efficiency solutions.