NEMA - National Electrical Manufacturers Association: www.nema.org

EERA - Electrical Equipment Representatives Association: www.eera.org

NEMRA - National Electrical Manufacturers Representatives Association: www.nemra.org

EAP - Electrical Association of Philadelphia: www.eap.org

NECA - National Electrical Contractors Association (union shop): www.necacontractors.org

IEC - Independent Electrical Contractors Association (merit shop): www.ieci.org

NETA - International Electrical Testing Association: www.netaworld.org

International Construction and Utility Equipment Expo (Trade Show-multi discipline): www.icuee.com

National Fire Protection Association (National Electrical Code): www.nfpa.org

Underground Construction Technology (trade show-multidiscipline): www.uctonline.com

Institute of Electrical and Electronic Engineers: www.ieee.org

NAED-National Association of Electrical Distributors: www.naed.org

7X24Exchange: www.7x24exchange.org

Society of Cable & Telecommunications Engineers: www.scte.org