Graybar Electrical Products provides a listing of manufacturers and product categories for electrical needs. The document lists over 150 electrical equipment manufacturers and categorizes their products into areas like boxes and fittings, chemicals and adhesives, conduit and raceway, distribution equipment, enclosures and industrial products, heating and ventilating, lighting fixtures, life safety and signaling, and power distribution. Graybar aims to be a comprehensive one-stop-shop for electrical products, components, and supplies.