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Our Services

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

Customer Service – Our #1 Priority

New England Gypsum (NEG), Karpp and Trowel Trades Supply are proud to offer the best building supply services in New England. Through our locations across Massachusetts, Maine, New Hampshire, Connecticut, and Vermont, 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, Karp, and Trowel Trades Supply both have strong reputations as local New England construction supply experts. Use the links below to learn more about our:

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

LEARN MORE ABOUT OUR PRODUCTS

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