About us

Established in 1969 by industrialist Hans Norberg, Norberg-IES has been a recognized source of value-added products for the electrical industry. Norberg~IES is divided into two, easily identifiable brands: Nema7 for enclosures, and Powerfuse.com for high-voltage fuses.

Norberg~IES is a part of the EIS engineered solutions portfolio of businesses. The product lines and capabilities that Norberg provides compliment the EIS distribution and fabricated offering of products for electrical markets. Click here to learn more about EIS.

Norberg~IES is based in Tulsa, Oklahoma. Our 30,000 square foot facility is both, UL listed and ISO 9001:2015 certified. We are known throughout the industry for providing the highest quality products and exceeding our client's expectations. Our selection of fuses is one of the largest in the world, with fuses ranging from electronic to high voltage and from top brands such as Mersen, Eaton, GE and more. All our fuses ship the same day, so you can get the fuse you need, when you need it. To customize your order, contact us or reach out to our experienced engineers at 918-665-6888. Our products are IN STOCK and READY TO SHIP to meet your business needs.

Call us at 1.800.739.9145 or 918.665.6888. We appreciate your business and take significant pride in serving repeat customers.


Our current ISO: 9001-2015 Certificate

Please reference our terms and conditions for additional information and our return policies.

Our partner web sites/brands are as follows: