Nonmetallic Mineral Product Manufacturing in New Hampshire

NAICS 327 · NH

The Bureau of Labor Statistics counted 96 establishments in New Hampshire in 2024. According to the BLS Quarterly Census of Employment and Wages, the annual payroll for this industry in New Hampshire was about $0.2 billion in 2024. There are 85 facilities listed in the register, located across 40 cities. EPREDIA in Portsmouth had 220 employees in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in New Hampshire26 FACILITIES

Facility	City	Employees	Status
Sponge-jet, INC.	Newington	—	● ACTIVE
EEpredia	Portsmouth	100–499	◐ LIKELY ACTIVE
GGGeorgia-pacific Gypsum	Newington	—	◐ LIKELY ACTIVE
TITorromeo Industries, INC.	Kingston	—	◐ LIKELY ACTIVE
NGNational Gypsum Wallboard Plant	Portsmouth	—	◐ LIKELY ACTIVE
QCQuikrete Companies	Brentwood	—	◐ LIKELY ACTIVE
IMIpg Medical	Salem	—	◐ LIKELY ACTIVE
AIAggregate Ind Recycling Ready Mixed Concrete Aggregates	Raymond	—	◇ UNVERIFIED
OSOsram Sylvania Products INC	Exeter	—	◇ UNVERIFIED
QBQuikrete - Boston, Ma Plant	Exeter	—	◇ UNVERIFIED
BQBOS Quikrete	Brentwood	20–99	◐ LIKELY ACTIVE
GBGold Bond Building Products - Portsmouth	Portsmouth	20–99	◐ LIKELY ACTIVE
NNNH020 Newington Gypsum	Newington	100–499	◐ LIKELY ACTIVE
QSQuartz & Stone Creations of NH LLC	Northwood	20–99	◐ LIKELY ACTIVE
SNShea Nottingham	Nottingham	1–19	◐ LIKELY ACTIVE
AIAggregate Industries	Portsmouth	—	◇ UNVERIFIED
CSClassic Stoneworks Inc	Londonderry	—	◇ UNVERIFIED
HTHealing Touch Pottery, LLC	Brentwood	—	◇ UNVERIFIED
IOInspired Ornamental LLC	Salem	—	◇ UNVERIFIED
LLLedvance LLC	Exeter	—	◇ UNVERIFIED
MSMarathon Staffing Services, INC.	Londonderry	—	◇ UNVERIFIED
NGNational Gypsum Company	Portsmouth	—	◇ UNVERIFIED
RMRGS Marble & Granite Inc.	Seabrook	—	◇ UNVERIFIED
SCShea Concrete Production INC.	Nottingham	—	◇ UNVERIFIED
SOState of Granite LLC	Atkinson	—	◇ UNVERIFIED
SGStreamline Glass, Inc.	Newton	—	◇ UNVERIFIED

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