Diamond Ironworks, Inc., 109 Blanchard St, Lawrence, MA 01843, US

Operational for more than 53 years, Quinn Brothers of Essex Inc. is one of the leading suppliers of structural steel and miscellaneous iron to the steel industry in the northeastern United States. Based in Essex, Mass., the company operates an approximately 120,000-square-foot fabrication facility with capabilities to fabricate over 200 tons of structural steel per week. The firm s other capabilities include a complete range of engineering, detailing, design and fabrication services, fully equipped fleet of tractors, trailers and cranes, and in-house steel erection crews. It serves a variety of private as well as public contractors for various commercial, industrial, retail, private institution, town office, school, library, fire station, police station, and water treatment facility projects.