Welcome to NEI: We put the power in your hands! Commercial Electrical Contracting and Service Explore our website to find out more about NEI and how everything we do in electrical design, installation and maintenance puts the power in your hands. We deliver personalized service and value a hands-on approach to doing business. We can bring you powerful ideas about how to achieve your goals in new construction, service and maintenance. Plus, we have the people that make a difference in delivering professional service.