Manufacturing in Rock County, Wisconsin
The Rock, Wisconsin, has 198 facilities listed in this register. According to the Bureau of Labor Statistics, 199 establishments in Rock County employed 10,761 people in 2025. Food Manufacturing is an industry with 32 facilities in Rock.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 199 manufacturing establishments in Rock County in 2025, employing about 10,761 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 198, about 99% of that figure.
Facilities66 FACILITIES
Listing 66 of 91: 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 |
|---|---|---|---|---|---|
| Amtec Corporation | Janesville | Fabricated Metal Product Manufacturing | 332993 | 100–499 | ACTIVE |
| Dsb Technologies, LLC | Janesville | Fabricated Metal Product Manufacturing | 332117 | 100–499 | ACTIVE |
| Raptor Enterprises, INC. | Janesville | Miscellaneous Manufacturing | 339920 | 20–99 | ACTIVE |
| Rock Energy Systems LLC | Janesville | Machinery Manufacturing | 333414 | 100–499 | ACTIVE |
| Pregl Services INC | Janesville | Machinery Manufacturing | 333994 | 1–19 | ACTIVE |
| Trigger Precision Products INC | Janesville | Fabricated Metal Product Manufacturing | 332710 | 1–19 | ACTIVE |
| Airesafe International Usa, INC. | Janesville | Fabricated Metal Product Manufacturing | 332999 | — | ACTIVE |
| Corps Medical Supply, LLC | Janesville | Miscellaneous Manufacturing | 339115 | — | ACTIVE |
| Grady's Garden LLC | Janesville | Food Manufacturing | 311421 | — | ACTIVE |
| High Speed Manufacturing LLC | Janesville | Machinery Manufacturing | 333517 | — | ACTIVE |
| Jg Innovations, INC. | Janesville | Fabricated Metal Product Manufacturing | 332322 | — | ACTIVE |
| Gallina USA LLC | Janesville | Plastics and Rubber Products Manufacturing | 326113 | 20–99 | LIKELY ACTIVE |
| Morgan Truck Body LLC | Janesville | Transportation Equipment Manufacturing | 336200 | 100–499 | LIKELY ACTIVE |
| Ufp Janesville LLC | Janesville | Wood Product Manufacturing | 321114 | 20–99 | LIKELY ACTIVE |
| United Alloy, INC. | Janesville | Fabricated Metal Product Manufacturing | 332312 | 500+ | LIKELY ACTIVE |
| Precision Drawn Metals INC | Janesville | Fabricated Metal Product Manufacturing | 332119 | 20–99 | LIKELY ACTIVE |
| Angi Energy Systems, LLC | Janesville | Machinery Manufacturing | 333298 | — | LIKELY ACTIVE |
| Coextruded Plastic Technologies, INC. | Janesville | Plastics and Rubber Products Manufacturing | 326112 | 100–499 | LIKELY ACTIVE |
| Northland Equipment | Janesville | Transportation Equipment Manufacturing | 336211 | 20–99 | LIKELY ACTIVE |
| Abitec CORP Janesville Plant | Janesville | Food Manufacturing | 311225 | — | LIKELY ACTIVE |
| De Vere Chemical CO INC | Janesville | Chemical Manufacturing | 325612 | 1–19 | LIKELY ACTIVE |
| D&k Coating Technologies | Janesville | Paper Manufacturing | 322220 | — | LIKELY ACTIVE |
| Rathgibson Janesville LLC | Janesville | Primary Metal Manufacturing | 331210 | — | LIKELY ACTIVE |
| Twin State INC | Janesville | Chemical Manufacturing | 325312 | — | LIKELY ACTIVE |
| Monterey Mills | Janesville | Textile Mills | 313240 | 20–99 | LIKELY ACTIVE |
| American Farm Implement & Specialty INC | Janesville | Fabricated Metal Product Manufacturing | 332430 | 20–99 | UNVERIFIED |
| Fontana Flavors | Janesville | Food Manufacturing | 311423 | — | LIKELY ACTIVE |
| Goex CORP | Janesville | Plastics and Rubber Products Manufacturing | 326113 | 100–499 | LIKELY ACTIVE |
| Helicopter Specialties, Inc. | Janesville | Transportation Equipment Manufacturing | 336411 | 20–99 | LIKELY ACTIVE |
| Lycon INC | Janesville | Nonmetallic Mineral Product Manufacturing | 327320 | 100–499 | LIKELY ACTIVE |
| Panoramic INC | Janesville | Paper Manufacturing | 322213 | 100–499 | LIKELY ACTIVE |
| Seneca Foods CORP - Janesville Plant | Janesville | Food Manufacturing | 311420 | — | LIKELY ACTIVE |
| Seneca Foods Corporation | Janesville | Food Manufacturing | 311421 | 500+ | LIKELY ACTIVE |
| SSI Technologies, LLC - Palmer | Janesville | Electrical Equipment, Appliance & Component Manufacturing | 335314 | 100–499 | LIKELY ACTIVE |
| Tigre Usa, INC. | Janesville | Plastics and Rubber Products Manufacturing | 326121 | 100–499 | LIKELY ACTIVE |
| Western Container Corp JVL | Janesville | Paper Manufacturing | 322219 | 20–99 | LIKELY ACTIVE |
| Evonik CORP | Janesville | Chemical Manufacturing | 325199 | — | LIKELY ACTIVE |
| Gm Truck Group Janesville Assembly | Janesville | Transportation Equipment Manufacturing | 336110 | — | UNVERIFIED |
| Hufcor, INC. | Janesville | Primary Metal Manufacturing | 331200 | — | UNVERIFIED |
| Impact Confections | Janesville | Food Manufacturing | 311340 | — | UNVERIFIED |
| Janesville-sackner Group | Janesville | Textile Mills | 313230 | — | UNVERIFIED |
| Monroe Truck Equipment | Janesville | Transportation Equipment Manufacturing | 336211 | — | UNVERIFIED |
| North American Pipe CORP | Janesville | Plastics and Rubber Products Manufacturing | 326122 | — | UNVERIFIED |
| Precision Screw Products., INC. of Janesville | Janesville | Fabricated Metal Product Manufacturing | 332721 | 1–19 | UNVERIFIED |
| Sanford Business to Business | Janesville | Printing and Related Support Activities | 323113 | — | UNVERIFIED |
| Siny CORP. | Janesville | Textile Mills | 313241 | 100–499 | UNVERIFIED |
| Ssi Technologies INC (former) | Janesville | Fabricated Metal Product Manufacturing | 332117 | — | UNVERIFIED |
| Wisconsin Vault Company INC | Janesville | Miscellaneous Manufacturing | 339995 | — | UNVERIFIED |
| AireSafe International | Janesville | Machinery Manufacturing | 333413 | 20–99 | LIKELY ACTIVE |
| Evonik Corporation Janesville | Janesville | Chemical Manufacturing | 325613 | 20–99 | LIKELY ACTIVE |
