Offering Commercial Plumbing solutions for Massachusetts, Rhode Island and Southern New Hampshire. Solutions that work for your business, not one-size-fits-all fixes—that’s why we design every service to fit your specific challenges, ensuring efficiency, reliability, and peace of mind.
You need a plumbing system that works seamlessly—no disruptions, no surprises, just reliable performance that keeps your business running smoothly.
Whether you’re managing a research lab, medical facility, university, retail space, or high-rise building, your operations depend on plumbing that meets strict standards and specialized requirements.
At Harold Brothers, we make your challenges our priority, delivering expert solutions that ensure efficiency, compliance, and peace of mind.
Request a QuoteYou get top-tier plumbing services designed for long-term reliability, so you can focus on what matters most—your business.
Whether you need lab waste treatment, medical gas systems, or high-purity water solutions, we tailor our services to fit your exact needs.
From backflow prevention to emergency repairs, you have a trusted partner ready to keep your plumbing system running smoothly.
Sean Edwards, VP Operations - Suffolk Construction
We trust that these resources written by our industry experts, will assist you in gaining a thorough and comprehensive understanding of your commercial HVAC system.
Harold Brothers is the team that gets it right the first time. We don’t just install plumbing systems; we engineer solutions tailored to your exact needs, ensuring reliability, efficiency, and compliance. Whether it’s complex lab waste systems, medical gas installations, or large-scale commercial plumbing, we handle the challenges others won’t—so your facility runs smoothly without unexpected disruptions.