About
Established in 1958, N.J. Sullivan Company Inc. is a leading manufacturer specializing in metal fabrication, precision sheet metal, powder coating, machining, metal finishing, and electrical products. Operating from our state-of-the-art 82,000-square-foot facility in Manassas, Virginia, we utilize the latest technologies in design, engineering, and fabrication to deliver custom solutions efficiently and cost-effectively.
Innovative at Our Core
We collaborate with some of the most innovative companies across diverse industries — including data centers, utilities, government, water treatment, and energy sectors. Our unique breadth of capabilities and technical expertise allows us to rapidly bring customer projects from concept to completion, meeting the specific needs of clients ranging from small shops to Fortune 500 companies, large contractors, electrical utilities, military, aerospace, and the medical field.
An Ongoing Legacy of Excellence
With over six decades of specialized experience, we have become a trusted partner in our customers’ supply chains. Our commitment to excellence and quality has been recognized by The Principal Financial Group, naming us one of “The Principal 10 Best Companies” for our dedication to providing beneficial opportunities for our employees. We are also proud of our long-standing support for the “Kids R First” charity, assisting over 17,000 students across 87 schools with school supplies and scholarships in Northern Virginia.
As we continue to grow and innovate, N.J. Sullivan Company Inc. remains dedicated to our founding principles of quality, reliability, and customer satisfaction. We invite you to experience the N.J. Sullivan difference — where every product tells a story of American craftsmanship at its finest.
The NJS Difference
Over Six Decades of Expertise
We bring more than 60 years of specialized experience in metal fabrication and electrical products.
Comprehensive Manufacturing Capabilities
From metal fabrication, precision sheet metal work, powder coating, machining, and metal finishing, we can handle all aspects of your project under one roof.
State-of-the-Art Facility
We utilize the latest technologies in design, engineering, and fabrication to deliver high-quality products efficiently.
Customized Solutions
We can meet all custom metal fabrication needs in the most cost-effective and expedited manner, tailoring solutions to your specific requirements.
Diverse Industry Experience
We serve a broad spectrum of industries — including data centers, utilities, government agencies, water treatment facilities, and the energy sector.
Trusted Partner to Leading Companies
Our clientele includes large contractors, electrical utilities, military organizations, aerospace firms, the medical field, and more.
Extensive Product Line
We offer a wide array of high-quality electrical products such as junction boxes, enclosures, troughs and wireways, CT cabinets, termination cabinets, and custom utility products.
Commitment to Quality and Service
Our dedication to exceptional quality and customer service has made us a trusted partner in our customers’ supply chains, consistently exceeding expectations.
Recognition and Community Engagement
We are recognized for providing beneficial opportunities to our employees and are committed to community.
Continuous Innovation and Technology Adoption
We stay at the forefront of industry advancements by integrating the latest technologies and processes.