Participating Contractors

Participating Contractors Program

Columbia Gas of Massachusetts offers a list of participating contractors who participate in our Trade Ally Program. These contractors work with natural gas equipment and will be happy to assist you with your needs. These contractors are independent and do not work for Columbia Gas of Massachusetts.

Click here for the Participating Contractors Program.

For More Information

To learn more about the Columbia Gas of Massachusetts Trade Ally Program, contact:

Jonathan Slaunwhite
Columbia Gas of Massachusetts

Phone: 804-768-6450
Email: JSlaunwhite@NiSource.com