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NEG / Karpp Yards

Construction supplies in CT, MA, ME, NE

As part of the GMS family of companies, New England Gypsum and Robert N. Karpp Company are trusted partners of residential and commercial building professionals across New England. We provide expert product and industry knowledge, and exceptional customer service from our local construction yards in:

Connecticut (NEG)


Maine (NEG)

South Portland

Massachusetts (Karpp)

Abington | Attleboro | Boston

New Hampshire (NEG)


Yards in Connecticut

Hartford, CT

3250 Main St.
Hartford, CT 06120
PH: 860-541-5911
Hours: M-F 6AM-4:30PM

Yards in Massachusetts

Abington, MA

245 North Ave.
Abington, MA 02351
PH: 781-871-1915
Hours: M-F 6AM-5PM

Attleboro, MA

50 Fuller Ave.
Attleboro, MA 02703
PH: 508-431-2255, Doors 508-431-1205
Hours: M-F 6:30AM-4:30PM

South Boston, MA

480 East 1st St.
South Boston, MA 02127
PH: 617-269-5880
Hours: M-F 6AM-5PM
Sat 7AM-12PM

Yards in Maine

South Portland, ME

53 Wallace Ave.
South Portland, ME 04106
PH: 207-558-9988
Hours: M-F 6AM-5PM

Yards in New Hampshire

Manchester, NH

468 Pepsi Rd.
Manchester, NH 03109
PH: 603-351-5045
Hours: M-F 6:30AM-4:30PM

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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.