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Manufacturing facilities in New Hampshire

The register lists 1869 facilities in New Hampshire. According to the Bureau of Labor Statistics, 2037 establishments were counted in New Hampshire in 2025. Textile Mills industry in New Hampshire employed 1219 people, according to the Bureau of Labor Statistics.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, counties and cities
Map of United States manufacturing facilities

Biggest counties

Hillsborough558Rockingham461Merrimack167Strafford157Cheshire102Grafton94Carroll58Sullivan54
All 10 counties

Biggest cities

Federal labor statistics counted at least 2,037 manufacturing establishments in New Hampshire in 2025, employing about 67,424 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 1,869, about 92% of that figure.

Facilities in New Hampshire1,240 FACILITIES

Listing 1,240 of 1,869: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Sanmina-sci CORP Hadco CORP a SubsidiaryHudsonComputer and Electronic Product Manufacturing334412— UNVERIFIED
Seabrook International LLCSeabrookMiscellaneous Manufacturing339112— UNVERIFIED
Semiconductor Component Industries LLCHudsonPrinting and Related Support Activities323111— UNVERIFIED
Smiths Medical Asd INC (portex)KeeneMiscellaneous Manufacturing339112— UNVERIFIED
Spraying Systems COMerrimackFabricated Metal Product Manufacturing332999— UNVERIFIED
Tape-oRochesterTextile Mills313320— UNVERIFIED
Technical Graphics INCMilfordPrinting and Related Support Activities323111— UNVERIFIED
Textron Technology CenterDoverTransportation Equipment Manufacturing336111— UNVERIFIED
The Anthony Galluzzo CORP.LondonderryWood Product Manufacturing321918— UNVERIFIED
The Woodworks Architectural MillworkLondonderryFurniture and Related Product Manufacturing337212— UNVERIFIED
Trelleborg Sealing SolutionsSomersworthChemical Manufacturing325212— UNVERIFIED
Unistar CorporationTamworthFabricated Metal Product Manufacturing3327101–19 UNVERIFIED
United Therapeutics CorporationManchesterChemical Manufacturing325412— UNVERIFIED
Upper Valley Press, INC.North HaverhillPrinting and Related Support Activities323110— UNVERIFIED
Uraseal INCDoverChemical Manufacturing325211— UNVERIFIED
Venture Holdings CORP (dba Bailey Manufacturing)SeabrookPlastics and Rubber Products Manufacturing326199— UNVERIFIED
Vetrofuse LLCPelhamNonmetallic Mineral Product Manufacturing3272121–19 UNVERIFIED
Wakefield Thermal SolutionsPelhamPrimary Metal Manufacturing331318— UNVERIFIED
Watson Park (a.k.a. Former Harcros Chemical Site)MerrimackChemical Manufacturing325311— UNVERIFIED
Whs Homes, INC.ClaremontWood Product Manufacturing32199220–99 UNVERIFIED
World Trading Company Div of SabbowLittletonNonmetallic Mineral Product Manufacturing327910— UNVERIFIED
Ws Packaging Group INCWiltonPrinting and Related Support Activities323111— UNVERIFIED
Wyman-gordon Investment Castings INCFranklinPrimary Metal Manufacturing331524— UNVERIFIED
15 Great HollowHanoverMachinery Manufacturing33351720–99 LIKELY ACTIVE
160 Corporate Drive160 Corporate DriveMiscellaneous Manufacturing33911320–99 LIKELY ACTIVE
20 Airpark RdWest LebanonMachinery Manufacturing33351720–99 LIKELY ACTIVE
29-nhSomersworthPrinting and Related Support Activities32311120–99 LIKELY ACTIVE
451 Pepsi RoadManchesterFabricated Metal Product Manufacturing33232220–99 LIKELY ACTIVE
603 OPTX, a Micro-LAM BrandKeeneFabricated Metal Product Manufacturing33272120–99 LIKELY ACTIVE
88 EtnaLebanonMachinery Manufacturing33351720–99 LIKELY ACTIVE
9 Great HollowHanoverMachinery Manufacturing33351720–99 LIKELY ACTIVE
Advanced Custom CabinetsBrentwoodWood Product Manufacturing32199920–99 LIKELY ACTIVE
Advanced Recovery 2 Mobility, INCStrathamTransportation Equipment Manufacturing336390— LIKELY ACTIVE
Altium Packaging - LondonderryLondonderryPlastics and Rubber Products Manufacturing32616020–99 LIKELY ACTIVE
AmherstAmherstFabricated Metal Product Manufacturing3329991–19 LIKELY ACTIVE
Amherst Granite WorksAmherstNonmetallic Mineral Product Manufacturing3279911–19 LIKELY ACTIVE
Amherst RMC PlantAmherstNonmetallic Mineral Product Manufacturing3273201–19 LIKELY ACTIVE
Atco - Aircraft Technical Company INCPortsmouthTransportation Equipment Manufacturing336413— LIKELY ACTIVE
Austin Powder Northeast LLC - Mt. WilliamWeareChemical Manufacturing32592020–99 LIKELY ACTIVE
Autajon Boston Inc.NahsuaPaper Manufacturing322212100–499 LIKELY ACTIVE
Backyard Products, LLC (Branch 68)HooksettWood Product Manufacturing3219921–19 LIKELY ACTIVE
Bae Systems Information & Electronic Systems Integration INCMerrimackComputer and Electronic Product Manufacturing334413— LIKELY ACTIVE
Benevento Bituminous Products LLCPlaistowPetroleum and Coal Products Manufacturing3241211–19 LIKELY ACTIVE
Biotage, LLC Salem, NHSalemComputer and Electronic Product Manufacturing33451620–99 LIKELY ACTIVE
Bluecatbio Nh, INC.LebanonComputer and Electronic Product Manufacturing334516— LIKELY ACTIVE
BOS QuikreteBrentwoodNonmetallic Mineral Product Manufacturing32739020–99 LIKELY ACTIVE
Bow OfficeBowComputer and Electronic Product Manufacturing3345161–19 LIKELY ACTIVE
Bow RMC PlantBowNonmetallic Mineral Product Manufacturing3273201–19 LIKELY ACTIVE
Bremco Inc.NewportFabricated Metal Product Manufacturing33241020–99 LIKELY ACTIVE
Campos Fabrication, LLCAmherstFabricated Metal Product Manufacturing33299920–99 LIKELY ACTIVE

Search all 1,869 New Hampshire facilities