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Shiffler - Furniture, Fixtures and Equipment for Schools Your only source for school maintenance repair parts and equipment

Home Page - Highway Electrical Association Established in 2011, the Highway Electrical Association (HEA) is a trade association with a history expanding over 65 years. The HEA is one of the largest and most influential bodies within the sector, representing over 100 organisations whose contract services range from street lighting and traffic signals to highway communications.