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Marcelli Steel is a family owned and operated company, passionate about our work and contributions to the industry. President and sole Owner/Operator, Carmine Marcelli is an AWS Certified Welder (American Welding Society) with over 30 years of experience in the industry. He believes that attention to detail, maintaining high standards and respect for the client and their wishes are of the utmost impotance and his diverse group of tradespeople have the same goals and values. All of our crew are OSHA Certified and ready to work with you on your next project!


Call or email us with any questions and we'd be happy to assist you... 

...because engineers need hero's too!


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Come see our New Shop Headquarters
4 Lee Mac Ave.
Danbury, CT

A high percentage of our business is from repeat customers and referrals. We welcome the opportunity to earn your trust and deliver the best possible service to you.