About Us

About Us

PJ Dionne Company is a commercial plumbing and HVAC contractor serving the greater Boston area since 1991.

We perform new construction, renovation and service and maintenance for general contractors and building owners in industries ranging from Life Sciences and government to office and retail.

PJ Dionne Company got its start as a small plumbing company and has grown steadily to a team of more than 150 highly skilled service professionals and support staff. We are proud of our reputation for quality across a wide variety of projects – large and small, design and installation, service and maintenance – and our ability to adapt to new customer requirements and technologies.

As part of the leadership team of a third generation family owned business; trust, support, and loyalty are the foundational building blocks of the enduring relationships that we have built with our Clients and our Partners.

–Tom Monroe, Chief Financial Officer & Director of Engineering
Elaine Construction