| MDMonroe Division | Monroe | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MRMoon Roof Corporation DBA MRC Manufacturing- Edison | Roseville | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MRMoon Roof Corporation DBA MRC Manufacturing-Groesbeck | Roseville | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MCMotor City Supplies INC | Madison Heights | MI | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| MIMotus Integrated Technologies | Battle Creek | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NMNorma Michigan St Clair | Saint Clair | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| NENorthern Extrusion | Clare | MI | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| NUNovares US LLC | Grand Rapids | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NSNupak Solutions, INC | Norton Shores | MI | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| OOrafol | Lake Orion | MI | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
| OOORBIS Orion MI | Lake Orion | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| OTORBIS Troy | Troy | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| OOrion | Orion Twp | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| OOwosso | Owosso | MI | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| PPPeninsula Plastics | Pontiac | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| P1Plant 1 | Shelby Township | MI | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 2 | Shelby Township | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| P3Plant 3 | Macomb | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| P4Plant 4 | Shelby Township | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| P5Plant 5 | Macomb | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| P7Plant 7 | Shelby Twp | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PMPlastic Mold Technology | Kentwood | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PPPlastic Plate Raleigh East | Kentwood | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| PPPlastic Plate Raleigh West | Kentwood | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| PPPlastipak Packaging- Global Business & Technology Center | Plymouth | MI | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
| PWPlastipak- Westland | Westland | MI | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
PolyJohn Enterprises Tecumseh | Tecumseh | MI | Plastics and Rubber Products Manufacturing326191 | 20-99 | ◐ LIKELY ACTIVE |
| PPPolymer Process Development | Shelby Township | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PPolyply | Grand Haven | MI | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| PPortage | Portage | MI | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| PHPort Huron | Port Huron | MI | Plastics and Rubber Products Manufacturing326199 | 500+ | ◐ LIKELY ACTIVE |
| PCPrecision Coatings | Commerce Charter Township | MI | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
| PMPrecision Masters, INC. | Rochester Hills | MI | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PPPrecision Polymer Manufacturing INC | Kalamazoo | MI | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PPPreferred Plastics | Plainwell | MI | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| PGPregis- Grand Rapids | Grand Rapids | MI | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| PPPremier Packaging | Grand Rapids | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PPPrism Plastics Chesterfield | Chesterfield | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PPPrism Port Huron | Port Huron | MI | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| PSPrism Shelby | Shelby Township | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PFProfile Films | Grand Rapids | MI | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| RCRenosol Corporation Clare | Clare | MI | Plastics and Rubber Products Manufacturing326150 | 20-99 | ◐ LIKELY ACTIVE |
| RARlt and Associates, INC | Washington | MI | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| RHRochester Hills Plant 1 | Rochester Hills | MI | Plastics and Rubber Products Manufacturing326150 | 20-99 | ◐ LIKELY ACTIVE |
| RCRogers City Plant | Rogers City | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RDRomulus Division | Romulus | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RPRoseville Plant | Roseville | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RTRoyal Technologies | Hudsonville | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| RTRoyal Technologies | Hudsonville | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RLRugged Liner Plant 1 | Owosso | MI | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |