We're driven to get the job done
We know what it takes to make it in the electrical industry, and we’re growing and innovating every day to make it happen for us, and for you. NSi has been helping electrical contractors get tough jobs done since 1975. With professionally-preferred products at competitive prices and service you can count on in the field, we’re the partner you need to be successful.
TRUSTED FOR YEARS
For more than 40 years, NSI has been known for having the best overall product value in the electrical supply industry.
With our lightning-fast shipping and among the highest fill-rates in the industry, you get the products you need when you need them.
Over 200 NSI sales representatives are dedicated to providing you with the personalized support you need to be successful.
We operate with a mindset based on true partnership and work to always service our customers quickly and effectively.
We offer a vast array of high-quality products across the NSI, WarriorWrap, TORK and Polaris brands.
We provide the terms you need, the service you demand, and are determined to be the best supplier on your roster.