Large-scale commercial plumbing, prefabrication, research labs, municipal projects
Hiring the wrong commercial plumbing contractor can lead to costly repairs, safety hazards, and major business disruptions. A poor installation might result in water damage, code violations, and emergency shutdowns—issues no business can afford to ignore.
At Harold Brothers Mechanical, we’ve helped countless businesses in Massachusetts avoid plumbing disasters by guiding them toward experienced, reliable contractors. With years of industry knowledge, we understand what separates the best from the rest—and how to ensure your facility’s plumbing is up to code and built to last.
In this guide, we'll walk you through the key factors to consider when choosing a commercial plumbing contractor, helping you make a confident, informed decision that protects your business from unnecessary risks.
Not all commercial plumbing contractors are created equal. Some specialize in large-scale new construction, while others focus on emergency repairs, maintenance, and specialty plumbing needs.
While we are confident that we are a great choice for many Massachusetts residents, we know we aren’t perfect for everyone. The following list is in no order other than alphabetical.
To help you make an informed decision, we assessed Massachusetts' top five commercial plumbing contractors based on:
A company's longevity and experience in the field matter. We looked for plumbing contractors with strong reputations, long-standing experience, and positive client reviews. A trusted name in the industry often signals consistent quality and reliability.
Different businesses have different plumbing needs. Some companies specialize in HVAC system integration, while others focus on industrial piping, fire protection, or sustainable solutions. We selected contractors with a wide range of services to cater to various industries.
Commercial plumbing requires adherence to strict industry regulations and safety protocols. The contractors on our list maintain proper licensing, certifications, and high standards of workmanship.
The following companies, listed alphabetically, have a strong reputation for delivering high-quality plumbing solutions for businesses and industrial facilities across the state.
Location: Woburn, MA
Founded: 2015
Specialties: Large-scale commercial plumbing, prefabrication, research labs, municipal projects
“Our team is dedicated to delivering quality craftsmanship and innovative solutions for complex plumbing systems.” – Boston Mechanical Inc.
“The professionalism and expertise of Boston Mechanical were outstanding. They delivered on time and exceeded our expectations.” – Business Owner, Woburn, MA
Location: Watertown, MA
Founded: 1963
Specialties: Plumbing, HVAC, fire protection, sustainable building solutions
“We believe in providing mechanical solutions that maximize efficiency and sustainability for every project.” – Cannistraro
“The team at Cannistraro was incredibly knowledgeable and provided top-notch service from start to finish.” – Facility Manager, Boston, MA
Location: Eastern Massachusetts
Founded: 2008
Specialties: Commercial plumbing, HVAC systems, process piping, mechanical construction, pre-fabrication, Design and Build, Design and Assist
“Our mission is to deliver superior mechanical services while maintaining the highest standards of quality and reliability.” – Harold Brothers Mechanical Contractors
“Harold Brothers handled our project with efficiency and professionalism. Their attention to detail was impressive.” – Operations Director, Eastern MA
Location: Western Massachusetts
Founded: 1975
Specialties: Drain cleaning, sewer line repair, water heater installation, emergency services
“Our goal is to provide dependable, high-quality plumbing services that keep businesses running smoothly.” – Hurley Plumbing
“Hurley Plumbing saved us from a major plumbing disaster. Their quick response and expertise were a game-changer.” – Restaurant Owner, Springfield, MA
Location: Massachusetts
Founded: 2011
Specialties: Commercial and multi-unit residential plumbing, HVAC, fire protection, facility maintenance
“We are committed to delivering high-performance plumbing solutions with safety and efficiency at the forefront.” – New England Plumbing Solutions
“NEPS provided an exceptional level of service, ensuring our building’s plumbing systems were running efficiently.” – Property Manager, Massachusetts
| Company Name | Location | Founded | Specialties |
| Boston Mechanical Inc. | Woburn, MA | 2015 | Large-scale commercial plumbing, prefabrication, research labs, municipal projects |
| Cannistraro | Watertown, MA |
1963 |
Plumbing, HVAC, fire protection, sustainable solutions |
| Harold Brothers Mechanical Contractors | Eastern MA | 2008 | Commercial plumbing, HVAC, process piping, mechanical construction, Build and Design, Build and Assist |
| Hurley Plumbing | Western MA | 1975 | Drain cleaning, sewer line repair, water heater installation, emergency services |
| New England Plumbing Solutions (NEPS) | Rockland, MA | 2011 | Multi-unit residential and commercial plumbing, HVAC, fire protection, maintenance |
Hiring a commercial plumbing contractor is one of the most important decisions you can make for maintaining your facility's safety and efficiency. A poor choice can lead to costly repairs, project delays, and compliance issues.
By carefully selecting a reputable and experienced contractor, you can ensure your plumbing systems are properly installed, maintained, and optimized for long-term performance. The five companies listed here have proven track records of delivering high-quality solutions across Massachusetts.
Now that you've seen a brief overview of the top 5 commercial plumbing contractors in Massachusetts, your next step is to take a deeper dive into Harold Brothers Mechanical Contracting (assuming we stand out to you!). Check out Harold Brothers Mechanical to learn more about our plumbing expertise and read our recent article on when you need a professional plumber for your commercial building needs.
Need expert guidance? Visit Harold Brothers Mechanical Contractors to discuss your commercial plumbing and mechanical service needs.