Manufacturing in McHenry County, Illinois
The register lists 471 facilities in McHenry, Illinois. According to the Bureau of Labor Statistics, 497 establishments were counted in McHenry in 2025. Fabricated Metal Product Manufacturing accounts for about $0.2 billion of the annual payroll in McHenry.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 497 manufacturing establishments in McHenry County in 2025, employing about 11,213 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 471, about 95% of that figure.
Facilities21 FACILITIES
Listing 21 of 32: 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 |
|---|---|---|---|---|---|
| Pork King Packing, Inc. | Marengo | Food Manufacturing | 311611 | 100–499 | ACTIVE |
| Woodstock Plastics CO INC | Marengo | Plastics and Rubber Products Manufacturing | 326199 | 20–99 | ACTIVE |
| Oscar Mike Foundation, the | Marengo | Apparel Manufacturing | 315990 | — | ACTIVE |
| Thomson Linear LLC | Marengo | Machinery Manufacturing | 333995 | 100–499 | ACTIVE |
| Engineered Polymer Solutions, INC. | Marengo | Chemical Manufacturing | 325211 | — | LIKELY ACTIVE |
| Mitsubishi Logisnext Americas INC | Marengo | Machinery Manufacturing | 333924 | — | LIKELY ACTIVE |
| Unilock Marengo | Marengo | Nonmetallic Mineral Product Manufacturing | 327331 | 20–99 | LIKELY ACTIVE |
| Warner Electric Motion Control Systems | Marengo | Machinery Manufacturing | 333513 | — | LIKELY ACTIVE |
| Mitsubishi Logisnext Americas | Marengo | Machinery Manufacturing | 333618 | — | LIKELY ACTIVE |
| Ozinga Ready Mix Concrete INC | Marengo | Nonmetallic Mineral Product Manufacturing | 327320 | — | LIKELY ACTIVE |
| Calibrated Power Solutions | Marengo | Miscellaneous Manufacturing | 339999 | — | UNVERIFIED |
| Diversapack LLC | Marengo | Printing and Related Support Activities | 323111 | — | UNVERIFIED |
| Heartland Foundry CORP | Marengo | Primary Metal Manufacturing | 331511 | — | UNVERIFIED |
| Marengo, Il 61 | Marengo | Chemical Manufacturing | 325314 | — | UNVERIFIED |
| Mcgill INC | Marengo | Fabricated Metal Product Manufacturing | 332999 | — | UNVERIFIED |
| Meyer Material CO | Marengo | Nonmetallic Mineral Product Manufacturing | 327320 | — | UNVERIFIED |
| Peter Baker & Son CO | Marengo | Petroleum and Coal Products Manufacturing | 324121 | — | UNVERIFIED |
| Stark Services INC | Marengo | Nonmetallic Mineral Product Manufacturing | 327320 | — | UNVERIFIED |
| Super Mix INC | Marengo | Nonmetallic Mineral Product Manufacturing | 327320 | — | UNVERIFIED |
| Marengo Plant - 286 | Marengo | Nonmetallic Mineral Product Manufacturing | 327320 | 20–99 | LIKELY ACTIVE |
| USA IL Marengo Plant | Marengo | Chemical Manufacturing | 325211 | 20–99 | LIKELY ACTIVE |
