NEG / Karpp / Trowel Trades Supply Yards

Construction supplies in CT, MA, ME, NH, VT

As part of the GMS family of companies, New England Gypsum, Karpp, and Trowel Trades Supply 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)

Hartford | Milford

Maine (NEG)

South Portland

Massachusetts (Karpp)

Abington | Attleboro | Boston 

New Hampshire (NEG)

Manchester

Vermont (TTS)

Williston

Yards in Connecticut

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

Milford, CT
262 Depot Rd.
Milford, CT 06460
PH: 475-549-0880
Hours: M-F 6AM-4:00PM

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 6:30AM-5PM

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-4:00PM

Yards in Vermont

Williston, VT
1078 Ave D Ext
Williston, VT 05495
PH: 802-655-3166
FX: 802-655-5841
Hours: 7AM-4:30PM M-F