J C Cannistraro

Who We Are

At Cannistraro, we believe that successful partnerships are built on a foundation of trust, expertise, and a commitment to excellence. As Boston's largest mechanical construction firm, we have been serving our clients for over 56 years, providing a full range of mechanical construction and maintenance services. Our team of experts is dedicated to delivering high-quality solutions that meet the unique needs of each client.

Design Solutions

At Cannistraro, we understand the importance of effective design solutions. That's why we offer a comprehensive range of services, from conceptualization to completion, to ensure that your project is designed to meet your specific needs. Our team of experts uses the latest technology and virtual design capabilities to create detailed, interactive 3D models that help you visualize the final product. This allows you to make informed decisions and avoid costly revisions down the line.

Construction Services

With our in-house fabrication facility, Cannistraro can handle any size project, from small repairs to large-scale construction projects. Our experienced team of mechanics, electricians, and pipefitters work together to ensure that every project is completed to the highest standards of quality and safety.

Service & Maintenance

At Cannistraro, we understand the importance of routine maintenance and emergency repairs. That's why we offer a comprehensive range of service and maintenance solutions to help you maintain your facility's critical systems. From preventative maintenance programs to emergency repairs, our team of experts is available 24 hours a day, 7 days a week to ensure that your systems are running smoothly and efficiently.

Markets We Serve

At Cannistraro, we serve a wide range of industries, including healthcare, education, office and commercial, municipal, and multifamily. Whether you're a school, hospital, or office building, we have the expertise and resources to meet your unique needs.

Our Core Values

At Cannistraro, we believe that our core values are what set us apart from the competition. We are committed to collaborating with our clients to deliver exceptional results, and we pride ourselves on our commitment to quality, compassion, integrity, and safety.

Our History

In 1963, John Cannistraro, Sr. set out to achieve his lifelong goal of entrepreneurship with little more than $1,500 and the support of his wife, Rita. Since then, the family-owned plumbing shop he started has grown into Boston's largest mechanical construction firm with over 1,000 employees. Today, we're proud to offer a full-service approach to all of your organization's mechanical construction and maintenance needs.

Awards and Achievements

At Cannistraro, we're proud of our numerous awards and achievements, including being named Boston's largest mechanical contractor by the Boston Business Journal, a "Top Place to Work" by The Boston Globe, and one of the top 50 mechanical contractors in the U.S. according to ENR Magazine.

Why Cannistraro?

At Cannistraro, we're committed to building trust, expertise, and excellent service. We believe that our unique blend of experience, technology, and customer service sets us apart from the competition. Whether you're looking to design, build, or maintain your facility, we're here to help you achieve your goals.