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ABC.org - Associated Builders and Contractors
Associated Builders and Contractors is a national construction industry trade association representing more than 21,000 members. Founded on the merit shop philosophy, ABC and its 69 chapters help members develop people, win work and deliver that work safely, ethically and profitably for the betterment of the communities in which ABC and its members work. ABC's membership represents all specialties within the U.S. construction industry and is comprised primarily of firms that perform work in the industrial and commercial sectors.
IEC - International Electrotechnical Commission
The International Electrotechnical Commission (IEC) is the world’s leading organization that prepares and publishes International Standards for all electrical, electronic and related technologies.
Close to 20 000 experts from industry, commerce, government, test and research labs, academia and consumer groups participate in IEC Standardization work.
National Electrical Contractors Association
NECA is the voice of the $171 billion electrical construction industry that brings power, light, and communication technology to buildings and communities across the U.S.
NECA contractors are the technical professionals responsible for the most innovative and safest electrical construction in the U.S.