The driving force behind market-leading brands and products, NSIs primary job for over 45 years has been to fulfill the needs of distributors. By staying grounded in the principles of service and value, NSI continues to deliver high-quality, industry-advancing, comprehensive product solutions. Choose NSI for all your electrical and HVAC product needs! We are the easy-to-do-business-with parter for distributors around America, with a wide range of brands available to keep your shelves stocked. The NSI family includes many well-respected brands, such as Bridgeport, Polaris, TORK, Metallics, Remke, Platinum Tools, LYNN, Supco, Duro Dyne, Tradefox, Terminator, WarriorWrap and PowerGRP, and were still growing.