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.
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Cable Assemblies INC. | Amherst | Electrical Equipment, Appliance & Component Manufacturing | 335999 | 1–19 | ACTIVE |
| Diacom Corporation | Amherst | Plastics and Rubber Products Manufacturing | 326299 | 100–499 | ACTIVE |
| Monarch International INC. | Amherst | Computer and Electronic Product Manufacturing | 334513 | 20–99 | ACTIVE |
| Rh Murphy CO INC | Amherst | Plastics and Rubber Products Manufacturing | 326199 | 1–19 | ACTIVE |
| Exothermics, INC. | Amherst | Transportation Equipment Manufacturing | 336413 | 20–99 | ACTIVE |
| Specialty Coating Systems, INC. | Amherst | Fabricated Metal Product Manufacturing | 332812 | 20–99 | ACTIVE |
| Ultrasystems Electronics INC | Amherst | Computer and Electronic Product Manufacturing | 334413 | 1–19 | ACTIVE |
| United Sensor CORP | Amherst | Fabricated Metal Product Manufacturing | 332999 | 1–19 | ACTIVE |
| Foundation Armor LLC | Amherst | Chemical Manufacturing | 325510 | — | ACTIVE |
| Guild Optical Associates INC | Amherst | Machinery Manufacturing | 333310 | — | ACTIVE |
| L7tr LLC | Amherst | Computer and Electronic Product Manufacturing | 334220 | — | ACTIVE |
| Jmk INC | Amherst | Computer and Electronic Product Manufacturing | 334419 | 1–19 | LIKELY ACTIVE |
| S & S Machine | Amherst | Fabricated Metal Product Manufacturing | 332721 | 1–19 | LIKELY ACTIVE |
| Envases USA, Inc (Amherst) | Amherst | Plastics and Rubber Products Manufacturing | 326160 | 20–99 | LIKELY ACTIVE |
| Rontex America INC | Amherst | Textile Mills | 313230 | 20–99 | LIKELY ACTIVE |
| Diacom CORP | Amherst | Plastics and Rubber Products Manufacturing | 326299 | 100–499 | LIKELY ACTIVE |
| Control Air LLC | Amherst | Machinery Manufacturing | 333995 | 20–99 | LIKELY ACTIVE |
| Affinity Life Sciences INC | Amherst | Chemical Manufacturing | 325413 | 1–19 | UNVERIFIED |
| Pike Industries INC - Amherst | Amherst | Petroleum and Coal Products Manufacturing | 324121 | — | UNVERIFIED |
| Amherst | Amherst | Fabricated Metal Product Manufacturing | 332999 | 1–19 | LIKELY ACTIVE |
| Amherst Granite Works | Amherst | Nonmetallic Mineral Product Manufacturing | 327991 | 1–19 | LIKELY ACTIVE |
| Amherst RMC Plant | Amherst | Nonmetallic Mineral Product Manufacturing | 327320 | 1–19 | LIKELY ACTIVE |
| Campos Fabrication, LLC | Amherst | Fabricated Metal Product Manufacturing | 332999 | 20–99 | LIKELY ACTIVE |
| Eagle Biosciences, INC | Amherst | Computer and Electronic Product Manufacturing | 334516 | — | REPORTED CLOSED |
| Marmon Utility - Amherst | Amherst | Machinery Manufacturing | 333248 | 20–99 | LIKELY ACTIVE |
| Xvi Technologies INC | Amherst | Computer and Electronic Product Manufacturing | 334413 | — | LIKELY ACTIVE |
| Classic Signs Inc. | Amherst | Miscellaneous Manufacturing | 339950 | 1–19 | UNVERIFIED |
| Resin Systems CORP. | Amherst | Chemical Manufacturing | 325211 | 20–99 | UNVERIFIED |
| Sequence Biotech LLC | Amherst | Machinery Manufacturing | 333314 | 1–19 | UNVERIFIED |
| Williams & Hussey Machine CO INC | Amherst | Machinery Manufacturing | 333243 | 1–19 | UNVERIFIED |
