NECA members are electrical contractors who work in all aspects of electrical construction. While most qualify as small businesses; large, multi-area electrical contracting firms are also members of the association. In the U.S., electrical contracting is an industry valued at over $171 billion annually, made up of over 70,000 electrical contracting firms employing over 650,000 electrical workers.

The Independent Electrical Contractors (IEC) is a nonprofit trade association federation with 52 educational campuses and affiliate local chapters across the country. IEC represents about 3,500 member businesses that employ over 80,000 electrical and systems workers throughout the United States and educates over 12,000 electricians and systems professionals each year through world-class training programs. IEC contractor member companies are some of the premier firms in the industry responsible for over $8.5B in gross revenue annually.