Carmine Marcelli, owner, designer & fabricator for Marcelli Steel began his career in welding fabrication & design when he was just 16 years old while working as an apprentice in Italy. Today,  as an AWS Certified Welder (American Welding Society) with over 35 years of experience, his skills include not only structural steel welding, fabrication & installation, but he has extensive background working with architecturally exposed structural steel & ornamental iron work. Carmine also specializes in welding fabrication & repair of commercial & industrial equipment & heavy machinery.

Today, as an AISC Certified Building Fabricator (BU), Marcelli Steel has proven that our facility possesses the personnel, organization, knowledge, and skills to manufacture structural steel to the highest standards. Marcelli Steel can serve all your commercial, industrial and residential welding and metal fabrication needs. We are a family owned and operated company, dedicated to our customers and community no matter the size of the job. Take a look at our website, www.marcellisteel.com for more info and Give us a call or visit our office in Danbury, CT to discuss your project. Come see why Marcelli Steel is your best choice in the metal working industry... because engineers need heroes too!

NEWS

Marcelli Steel is pleased to announce that we have completed a rigorous audit by the American Institute of Steel Construction (AISC) of our Facility and Quality Management System (QMS) and are now AISC Certified Building Fabricators (BU). 

The AISC sets the quality standard for the structural steel industry and is the most widely recognized national quality certification program for that industry. As part of certification maintenance, annual independent audits conducted by the AISC confirm that participants maintain the necessary personnel, equipment, experience, capability and commitment to fabricating  steel of the highest standard.

Marcelli Steel follows a well-defined process that minimizes bugs and increases efficiency. As an AISC Certified facility, we hope to demonstrate our commitment to delivering the same high quality and consistent service our clients know and trust, and to give new clients confidence in what we can provide.