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
Biggest counties
Hillsborough558Rockingham461Merrimack167Strafford157Cheshire102Grafton94Carroll58Sullivan54Biggest cities
Manchester135Nashua110Hudson81Londonderry77Salem72Portsmouth59Dover57Merrimack48Keene46Concord46Rochester45Amherst39
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 Hampshire31 FACILITIES
Listing 31 of 39: 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 |
| Crowe Holdings, Inc. | Amherst | Printing and Related Support Activities | 323113 | 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 |

