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Manufacturing in Hillsborough County, New Hampshire

The Hillsborough register lists 558 facilities. The Bureau of Labor Statistics counted 574 establishments in Hillsborough in 2025. Computer and Electronic Product Manufacturing accounts for 131 facilities in Hillsborough.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Federal labor statistics counted at least 574 manufacturing establishments in Hillsborough County in 2025, employing about 24,626 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 558, about 97% of that figure.

Facilities30 FACILITIES

Listing 30 of 37: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Cable Assemblies INC.AmherstElectrical Equipment, Appliance & Component Manufacturing3359991–19 ACTIVE
Diacom CorporationAmherstPlastics and Rubber Products Manufacturing326299100–499 ACTIVE
Monarch International INC.AmherstComputer and Electronic Product Manufacturing33451320–99 ACTIVE
Rh Murphy CO INCAmherstPlastics and Rubber Products Manufacturing3261991–19 ACTIVE
Exothermics, INC.AmherstTransportation Equipment Manufacturing33641320–99 ACTIVE
Specialty Coating Systems, INC.AmherstFabricated Metal Product Manufacturing33281220–99 ACTIVE
Ultrasystems Electronics INCAmherstComputer and Electronic Product Manufacturing3344131–19 ACTIVE
United Sensor CORPAmherstFabricated Metal Product Manufacturing3329991–19 ACTIVE
Foundation Armor LLCAmherstChemical Manufacturing325510— ACTIVE
Guild Optical Associates INCAmherstMachinery Manufacturing333310— ACTIVE
L7tr LLCAmherstComputer and Electronic Product Manufacturing334220— ACTIVE
Jmk INCAmherstComputer and Electronic Product Manufacturing3344191–19 LIKELY ACTIVE
S & S MachineAmherstFabricated Metal Product Manufacturing3327211–19 LIKELY ACTIVE
Envases USA, Inc (Amherst)AmherstPlastics and Rubber Products Manufacturing32616020–99 LIKELY ACTIVE
Rontex America INCAmherstTextile Mills31323020–99 LIKELY ACTIVE
Diacom CORPAmherstPlastics and Rubber Products Manufacturing326299100–499 LIKELY ACTIVE
Control Air LLCAmherstMachinery Manufacturing33399520–99 LIKELY ACTIVE
Affinity Life Sciences INCAmherstChemical Manufacturing3254131–19 UNVERIFIED
Pike Industries INC - AmherstAmherstPetroleum and Coal Products Manufacturing324121— UNVERIFIED
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
Campos Fabrication, LLCAmherstFabricated Metal Product Manufacturing33299920–99 LIKELY ACTIVE
Eagle Biosciences, INCAmherstComputer and Electronic Product Manufacturing334516— REPORTED CLOSED
Marmon Utility - AmherstAmherstMachinery Manufacturing33324820–99 LIKELY ACTIVE
Xvi Technologies INCAmherstComputer and Electronic Product Manufacturing334413— LIKELY ACTIVE
Classic Signs Inc.AmherstMiscellaneous Manufacturing3399501–19 UNVERIFIED
Resin Systems CORP.AmherstChemical Manufacturing32521120–99 UNVERIFIED
Sequence Biotech LLCAmherstMachinery Manufacturing3333141–19 UNVERIFIED
Williams & Hussey Machine CO INCAmherstMachinery Manufacturing3332431–19 UNVERIFIED

Search all 1,868 New Hampshire facilities