SRI has been building New England since 1963, and continues to provide quality products with a competitive value for the next generation.


SRI has been building New England since 1963, and continues to provide quality products with a competitive value for the next generation.

Superior Metal Fabrication Services

Founded in 1963 as a residential fabricator of home ornamental railings, the Ferrara family continuously expanded within the commercial fabrication industry, making it the substantial business that it is today.

Our Services

What we can do for you…


Design Services

Collaboration with local engineers, architects and contractors allows SRI to work as part of the design team to ensure the project is completed right the first time.

Drafting & Blueprints

The drafting and engineering departments utilize the latest AUTOCAD systems and computer/ plotting / scanning technologies.

Fabrication & Erection

Our shop is furnished with state-of-the-art equipment that streamlines the fabrication process. Our product is of the highest quality and exceeds all standards.

About Us

Who We Are

As a third-generation family-owned and operated company, Superior Rail & Iron Works, Inc. has been a part of the greater Boston area for over 58 years. The Ferrara family strives to honor our deep roots in the area and made a commitment to serving the needs of the community in as many ways as possible.

At Superior Rail & Iron Works, Inc., our success as a company is a direct result of the joint efforts of our team. We value the commitment and service of the individuals who make up our Design Team, Drafting and Blueprint Division, Fabrication and Erection Team, and Administrative Staff. We are proud of their leadership and commitment to serving our community.

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Client Testimonials

Bob Guerette - AvalonBay Communities in Boston, MA
“Tony Ferrara’s word and handshake mean a lot. If he says he’s going to something, it gets done. If there’s a problem, I know he’ll take care of it. When I hire SRI, I know they’ll get the job done.”
Josh Russell - Superintendent, Suffolk Construction:
“With SRI’s heightened awareness to the details, reliable on time deliveries and consistently staying within budget there is no question why they always exceed my expectations. Simply put, they make my job easier and that’s a major reason why they, for the past 12+ years, have managed to stay atop my list of preferred sub-contractors.”
Luke George - Purchasing Agent at Dimeo Construction in Providence, RI
“Tony has been great to work with. He’s professional, responsive, competitive and does a great job.”
Lisa Huftalen - President of LE Designers, Inc.
“I have enjoyed working with Tony Ferrara of Superior Rail & Iron Works. His knowledge of steel construction and the northeast building markets is outstanding.”
A.L.S. Family Charitable Foundation
“The A.L.S. Family Charitable Foundation is proud to announce that the “20th Annual Cliff Walk” for A.L.S., sponsored by Superior Rail & Iron Works Inc,. will take place on Sunday, September 11, 2016!”

Proven Results when all the Steps fall into place!

SRI’s Complete Package!

Throughout the last 50 plus years, SRI has discovered the value of providing a complete package to our contractors. SRI is one of the rare steel companies left today that can accommodate all services under one roof, from estimating, detailing, to project management, fabrication, and erection for all of your miscellaneous iron, light structural steel and architectural metal demands.