About Us

Founded in 2019 in the heart of Phoenix, Arizona, Black Diamond Supply is a trusted electrical supply retailer dedicated to powering your projects with quality and reliability. We specialize in providing a comprehensive range of electrical supplies, from wiring and circuitry to tools and fasteners, catering to contractors, electricians, and DIY enthusiasts alike. 

Our mission is to deliver top-notch products, exceptional customer service, and expert advice to ensure your electrical needs are met with confidence. Proudly rooted in the greater Phoenix community, we’re committed to supporting local businesses and fostering innovation in the electrical industry. Choose Black Diamond Supply for all your electrical supply needs—where quality meets expertise.