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N.J. Sullivan Company Inc. is a U.S.-based manufacturer of custom metal fabrication and electrical products, delivering engineered solutions for infrastructure projects. Their 81,000 sq ft facility in Manassas, VA produces enclosures, cabinets, troughs/gutters, termination equipment and related items, supported by capabilities in precision machining, metal fabrication, welding, finishing and assembly. They serve data centers, utilities, aerospace/defense, renewable energy and water/wastewater sectors, emphasizing quick turnarounds, Made in America/BAA-compliant production, and decades of experience.
AI named N.J. Sullivan Company in December 2025.