NUCA of Metropolitan Washington D.C. is the leading trade association working solely for the utility construction and excavation industry in the United States. NUCA represents utility contractors, excavators, suppliers, manufacturers, and other providers in the water, sewer, gas, electric, telecommunications, treatment plant, and excavation industries. NUCA’s Core Purpose: Improve the operational proficiency and financial performance of its member companies by providing services that focus on shared industry issues. NUCA also works to secure more funding for America's aging underground infrastructure.