N.J. Sullivan Company Inc.

Our 81,000 sq. ft. facility in Manassas, VA is equipped with the latest in design, engineering, and fabrication technology.

Our efficient workflow and large production capacity allow us to meet tight deadlines without sacrificing precision.

Since 1958, we’ve been honing our craft, adapting to new technologies, and setting industry standards. Our longevity is a testament to our commitment to quality and customer satisfaction.

Rigorous quality control measures are embedded in every step of our production process, ensuring that each product meets the highest standards.

By leveraging our advanced equipment and streamlined processes, we offer competitive pricing without compromising on quality.

NJ Sullivan is known for delivering high-quality, custom solutions with short lead times. Our experienced engineers work closely with clients to ensure precision and reliability, solving complex challenges quickly and efficiently.

From small custom parts to large-scale industrial components, we have the capability to handle projects of all sizes. Our diverse product range includes junction boxes, enclosures, troughs, cabinets, and specialized items for various industries.

Voted one of “The Principal 10 Best Companies” by The Principal Financial Group. This award recognizes growing companies nationwide that excel in providing their employees with beneficial opportunities.