Top 36 Plastics & Packaging Manufacturers in Michigan 2026
Last updated
FirmsLedger lists 36 plastics & packaging manufacturers headquartered in Michigan. That ranks 5th among the 50 states with listings, behind Texas (61), Minnesota (40) and 2 other states. The largest clusters are in Grand Rapids (2), Holland (2) and Romeo (2), and the other 30 are in 30 more cities. Grand Rapids listings include A-Pac Manufacturing and Praxis Packaging.
By specialty, Michigan has injection molding (21) and plastic extrusion (2) listings. Capabilities that more than one of them list include custom injection molding (2) and two shot molding (2).
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| 21st Century Plastics Corp. | Potterville | Plastic injection molding (55–1,500 ton) | (517) 645-2695 | 21stcpc.com |
| A-Pac Manufacturing | Grand Rapids | Custom poly bag manufacturing | (800) 272-2634 | polybags.com |
| Agapé Plastics, Inc. | Walker | Custom Injection Molding | (616) 735-4091 | agapeplastics.com |
| Grand Traverse Plastics Corp (GTP) | Williamsburg | Custom plastic injection molding | (231) 267-5221 | gtpplastics.com |
| Ironwood Plastics Inc. | Ironwood | Two-shot molding | (906) 932-5025 | ironwood.com |
| Jimdi Plastics Inc | Allendale | Injection molding | (616) 895-7766 | jimdiplastics.com |
| KAM Plastics Corp | Holland | Plastic injection molding | (616) 355-5900 | kamplastics.com |
| Loose Plastics Inc | Gladwin | Custom sheet extrusion | (989) 246-1880 | looseplastics.com |
| PTI Engineered Plastics | Macomb | Injection molding | (586) 263-5100 | teampti.com |
| Peninsula Plastics Company, Inc. | Auburn Hills | Thermoforming | (248) 852-3731 | peninsulaplastics.com |
All Plastics & Packaging in Michigan
A-Pac Manufacturing
Grand Rapids, Michigan
A-Pac Manufacturing was founded in 1988 in Grand Rapids, Michigan. The company began as a custom manufacturer of poly bags and plastic film products, built on a commitment to direct customer relationships.
Agapé Plastics, Inc.
Walker, Michigan230 employees
Agapé Plastics, Inc. is headquartered in Walker, Michigan.
Jimdi Plastics Inc
Allendale, Michigan60 employees
The privately owned company began by producing a proprietary flooring system for the agricultural industry before expanding into custom injection molding for other customers. The company operates a 40,000-square-foot facility in Allendale housing 16 injection molding presses ranging from 110 to 1,100 tons, supported by a staff of 60.
KAM Plastics Corp
Holland, Michigan
KAM Plastics Corp was founded in 1994 in Holland, Michigan, by Paul Kalkman and Cleon Morgan. The company specializes in plastic injection molding and assembly, operating over 50 molding machines across facilities in Holland, Michigan, and Arteaga, Mexico (via the KAMEX joint venture).
PTI Engineered Plastics
Macomb, Michigan
PTI Engineered Plastics operates from a 160,000-square-foot facility in Macomb, Michigan. The privately held company was founded in 1984 as Proto-Tech Industries, producing functional prototype molds and injection-molded samples before adopting its current name in 1987 to reflect a turnkey, mind-to-manufacturing model.
- Praxis PackagingGrand Rapids, Michigan
- Premiere Packaging, Inc.Flint, Michigan
- Summit Plastic MoldingShelby Township, Michigan
- West Michigan PlasticsHolland, Michigan
- A-Z PackagingRomeo, Michigan
- Asahi Kasei Plastics North AmericaFowlerville, Michigan
- Barber Packaging CompanyBangor, Michigan
- Bear Packaging & Supply IncMt Pleasant, Michigan
- Camcar Plastics Inc.Muskegon, Michigan
- East Jordan PlasticsEast Jordan, Michigan
- Kent City PlasticsKent City, Michigan
- Packaging ProductsPlymouth, Michigan
- Pak-Rite Ltd MichiganWixom, Michigan
- Pendable Packaging Inc.Farwell, Michigan
- Plastic Molding DevelopmentSterling Heights, Michigan
- Pratt (Bell Packaging), Inc.Wyoming, Michigan
- Saginaw Bay Plastics IncKawkawlin, Michigan
- Schon PackagingSouthfield, Michigan
- Stone Plastics & ManufacturingZeeland, Michigan
- Team 1 PlasticsAlbion, Michigan
- Advanced MoldingGrand Haven, Michigan
- Downriver Plastics IncCanton Township, Michigan
- Jer-Den Plastics Inc.St. Louis, Michigan
- Plastic Mold Technology Molding FacilityKentwood, Michigan
- WILKO Plastics, Inc.Romeo, Michigan
- Maxima Plastics IncPortage, Michigan
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Frequently asked questions
Which plastics & packaging manufacturers in Michigan list custom injection molding?
2 companies list it: Agapé Plastics and Stone Plastics & Manufacturing.
Which certifications do plastics & packaging manufacturers in Michigan list?
ISO 9001:2015: 21st Century Plastics, A-Pac Manufacturing and 7 others. IATF 16949:2016: Agapé Plastics, Ironwood Plastics and 5 others. ISO 9001: Grand Traverse Plastics Corp (GTP), KAM Plastics and 4 others.