33+ Years of Experience
Family Owned / Operated
Registered & Insured

If you’re looking for quality, dependable steel fabrication, you’ve come to the right place! Founded in 2010, Marcelli Steel understands that trust and communication are vital for any project to run as smoothly and efficiently as possible.

President and sole Owner/Operator, Carmine Marcelli is an AWS Certified Welder (American Welding Society) with over 33 years of experience in the industry. He believes that attention to detail and respect for the client and their wishes are of the utmost importance and his diverse group of tradespeople have the same goals and values.

Marcelli Steel specializes in Misc. & Structural Steel Welding & Fabrication, including Heavy Equipment & Machinery Repair throughout Connecticut, New York, Massachusetts & beyond. 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!


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