Manufacturing in Winnebago County, Illinois
The city of Winnebago, Illinois, is located in the state of Illinois. This register lists 575 facilities. The Bureau of Labor Statistics counted 527 establishments in Winnebago in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 527 manufacturing establishments in Winnebago County in 2025, employing about 22,164 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 575.
Facilities342 FACILITIES
Listing 342 of 575: 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 |
|---|---|---|---|---|---|
| Alert Tubing Fabricators INC. | Loves Park | Fabricated Metal Product Manufacturing | 332996 | — | ACTIVE |
| Clayens Rockford, LLC | Machesney Park | Chemical Manufacturing | 325211 | — | ACTIVE |
| Cleo Communications, INC | Rockford | Computer and Electronic Product Manufacturing | 334111 | — | ACTIVE |
| Code 1 Aviation LLC | Rockford | Transportation Equipment Manufacturing | 336413 | — | ACTIVE |
| Danray Products LLC | Rockford | Machinery Manufacturing | 333515 | — | ACTIVE |
| Emergent Manufacturing Solutions, LLC | Loves Park | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Global Display Solutions INC. | Rockford | Computer and Electronic Product Manufacturing | 334118 | — | ACTIVE |
| Kadon Aerospace LLC | Rockford | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Ki Machine Tools & Productions INC | Loves Park | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Pietro Carnaghi USA INC | Rockford | Machinery Manufacturing | 333517 | — | ACTIVE |
| Robco Sales INC | Loves Park | Miscellaneous Manufacturing | 339991 | — | ACTIVE |
| Spartamax Defense, INC. | Rockford | Petroleum and Coal Products Manufacturing | 324191 | — | ACTIVE |
| Srm Ii, INC | South Beloit | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Superior Joining Technologies, INC | Machesney Park | Fabricated Metal Product Manufacturing | 332322 | — | ACTIVE |
| Supplycore LLC | Rockford | Miscellaneous Manufacturing | 339999 | — | ACTIVE |
| Tad More, LLC | Rockford | Apparel Manufacturing | 315210 | — | ACTIVE |
| Taylor & Company Products, INC. | Rockton | Wood Product Manufacturing | 321999 | — | ACTIVE |
| Watersurplus, INC. | Loves Park | Machinery Manufacturing | 333310 | — | ACTIVE |
| Applied Products INC | Machesney Park | Paper Manufacturing | 322220 | 20–99 | LIKELY ACTIVE |
| Bluewater Thermal Solutions-rockford | Rockford | Fabricated Metal Product Manufacturing | 332811 | 20–99 | LIKELY ACTIVE |
| D & R Autochuck Manufacturing, INC. | Rockford | Machinery Manufacturing | 333515 | 1–19 | LIKELY ACTIVE |
| Martin Automatic CO | Rockford | Machinery Manufacturing | 333244 | 100–499 | LIKELY ACTIVE |
| Progressive Steel Treating, INC | Loves Park | Fabricated Metal Product Manufacturing | 332618 | 1–19 | LIKELY ACTIVE |
| Rockford Spring CO | Rockford | Fabricated Metal Product Manufacturing | 332613 | 20–99 | LIKELY ACTIVE |
| Rock Valley Oil & Chemical CO | Rockford | Petroleum and Coal Products Manufacturing | 324191 | 20–99 | LIKELY ACTIVE |
| Seward Screw LLC | Seward | Fabricated Metal Product Manufacturing | 332710 | 100–499 | LIKELY ACTIVE |
| Top Die Casting CO | South Beloit | Primary Metal Manufacturing | 331521 | 100–499 | LIKELY ACTIVE |
| Zenith Cutter INC | Loves Park | Fabricated Metal Product Manufacturing | 332721 | 20–99 | LIKELY ACTIVE |
| Estwing Manufacturing CO INC | Rockford | Fabricated Metal Product Manufacturing | 332212 | 100–499 | LIKELY ACTIVE |
| Gleason Cutting Tools CORP | Loves Park | Machinery Manufacturing | 333515 | 100–499 | LIKELY ACTIVE |
| J & M Plating CO | Rockford | Fabricated Metal Product Manufacturing | 332722 | 100–499 | LIKELY ACTIVE |
| K&j Finishing INC | Rockford | Fabricated Metal Product Manufacturing | 332813 | 1–19 | LIKELY ACTIVE |
| Machine Tool Builders INC | Machesney Park | Machinery Manufacturing | 333515 | 1–19 | LIKELY ACTIVE |
| Quantum Design INC | Caledonia | Machinery Manufacturing | 333243 | 20–99 | LIKELY ACTIVE |
| Rockford Foundries | Rockford | Primary Metal Manufacturing | 331524 | 1–19 | LIKELY ACTIVE |
| Specialty Screw CORP | Rockford | Fabricated Metal Product Manufacturing | 332722 | 20–99 | LIKELY ACTIVE |
| State Line Foundries INC | Roscoe | Primary Metal Manufacturing | 331511 | 100–499 | LIKELY ACTIVE |
| AIRCRAFT GEAR CORPORATION - Plant 1 | Loves Park | Transportation Equipment Manufacturing | 336390 | 20–99 | LIKELY ACTIVE |
| Curtis Metal Finishing CO | Machesney Park | Fabricated Metal Product Manufacturing | 332812 | — | LIKELY ACTIVE |
| Forest City Technologies INC | Rockford | Fabricated Metal Product Manufacturing | 332812 | — | LIKELY ACTIVE |
| Gunite Corporation | Rockford | Primary Metal Manufacturing | 331511 | — | LIKELY ACTIVE |
| J & M Plating | Rockford | Fabricated Metal Product Manufacturing | 332813 | 100–499 | LIKELY ACTIVE |
| Kadon Precision | Rockford | Fabricated Metal Product Manufacturing | 332710 | 100–499 | LIKELY ACTIVE |
| Makerite Manufacturing Co, Inc. | Roscoe | Fabricated Metal Product Manufacturing | 332721 | 1–19 | LIKELY ACTIVE |
| Owens Corning Foam Insulation LLC Rockford | Rockford | Plastics and Rubber Products Manufacturing | 326140 | 20–99 | LIKELY ACTIVE |
| Rockford Powertrain INC | Loves Park | Transportation Equipment Manufacturing | 336350 | 100–499 | LIKELY ACTIVE |
| Taylor Co- Division of Carrier Commercial Refrigeration INC | Rockton | Machinery Manufacturing | 333241 | — | LIKELY ACTIVE |
| Woodward INC | Loves Park | Nonmetallic Mineral Product Manufacturing | 327410 | — | LIKELY ACTIVE |
| Arntzen CORP | Rockford | Primary Metal Manufacturing | 331210 | — | LIKELY ACTIVE |
| Axium Foods INC | South Beloit | Food Manufacturing | 311423 | 100–499 | LIKELY ACTIVE |
