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NE Gypsum/Karpp/TTS Combined Site – About Us Page

About New England Gypsum, Karpp, & Trowel Trades Supply

Your New England construction products supplier

Construction professionals in MA, ME, CT, NH and VT have known for decades when it comes to sourcing New England’s best selection of building materials and construction supplies, they have several great choices:

New England Gypsum (NEG) – Founded in 2018, New England Gypsum (NEG) has grown quickly, becoming a trusted partner for local residential and commercial construction customers. NEG serves New England clients through its building supply yards in Connecticut (Hartford, Milford), Maine (South Portland), and New Hampshire (Manchester).

Karpp – a mainstay in New England building supply since 1979, serves commercial and residential customers through its construction materials yards across Massachusetts (AbingtonAttleboroSouth Boston).

Trowel Trades Supply - Incorporated in 1969 and began as a masonry yard servicing the needs of the residential fireplace masons, today, Trowel Trades Supply serves Vermont construction professionals from its yard in Williston.

Regional Leadership. Universal Expertise and Success.

These regional industry leaders, all members of the GMS family of companies, have now combined efforts. This means construction customers get the power of one united operation, with even greater reach and resources. It also creates an even stronger ability to deliver on the exceptional benefits each has provided for years.

New England Gypsum, Karpp, and Trowel Trades Supply succeed because of the talents of our expert staff, some with over 25 years of industry experience. Want to join New England’s best construction supply team? Apply for careers with us now.

Need expert help with your building projects in MA, ME, CT, NH or VT? New England Gypsum, Karpp, and Trowel Trades Supply are here for you.

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

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