Manufacturing in Ionia County, Michigan
The register lists 70 facilities in Ionia, Michigan. According to the Bureau of Labor Statistics, 63 establishments in Ionia employed 3,113 people in 2025. Transportation Equipment Manufacturing is an industry with 1,786 employees in Ionia, according to the Bureau of Labor Statistics.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 63 manufacturing establishments in Ionia County in 2025, employing about 3,113 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 70.
Facilities5 FACILITIES
Listing 5 of 9: 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 |
|---|---|---|---|---|---|
| Thk Rhythm Automotive Michigan CORP | Portland | Transportation Equipment Manufacturing | 336330 | 100–499 | ACTIVE |
| Adm Alliance Nutrition INC | Portland | Food Manufacturing | 311119 | — | LIKELY ACTIVE |
| ConfluxCity Brewing Company | Portland | Beverage and Tobacco Product Manufacturing | 312130 | 1–19 | LIKELY ACTIVE |
| Portland Products INC | Portland | Fabricated Metal Product Manufacturing | 332116 | 20–99 | LIKELY ACTIVE |
| ADL Systems | Portland | Nonmetallic Mineral Product Manufacturing | 327390 | 20–99 | LIKELY ACTIVE |
