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Our Services

Commercial and residential construction experts in MA, ME, NH, and CT.

Customer Service – Our #1 Priority

New England Gypsum (NEG) and Robert N. Karpp Company (Karpp) are proud to offer the best building supply services in New England. Through our locations across Massachusetts, Maine, New Hampshire, and Connecticut, we serve residential customers and commercial construction pros.

Together, as members of the GMS family of companies, our commitment is to serving customers safely and quickly, with a true sense of urgency.

Our team of experts are fully trained and OSHA-compliant. NEG and Karpp both have strong reputations as local New England construction supply experts. Use the links below to learn more about our:

NE Gypsum and Robert Karpp – your combined, one-stop shop for all the building materials you need for your construction projects in New England.

Learn More About Our Products

Need to talk to an expert to help with your next project?

Experienced and helpful customer service representatives are standing by ready to help.
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About Us

We have one simple pledge: to get the right products into customers' hands all across New England, as quickly and safely as possible.

Our Services

NEG and Karpp carry and deliver a full range of commercial and residential construction supplies from the best brands in the business.

Our Locations

Our delivery fleet is dispatched several New England construction yard locations including Hartford, CT; South Portland, ME; Manchester, NH; and Abington, Attleboro, and South Boston, MA.

Contact Us

For more information about how to contact us, visit our Find a Yard page. Or click the Contact Us tab to send us an email.