| PWPentwater Wire Products, INC. | Pentwater | MI | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| PHPerrigo Holland INC | Holland | MI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PPPhilips Prods INC | Charlotte | MI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| PSPhoto Systems INC Bottcher America INC | Dexter | MI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PCPiedmont Concrete INC | Farmington Hills | MI | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PNPilkington North America INC | Clinton | MI | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| PIPilot Industries INC | Manchester | MI | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| PIPiper Industries-roseville | Roseville | MI | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| PWPitsch Wrecking CO. - Concrete Recycling Plant | Walker | MI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PIPlasma-tec Inc-wayland | Wayland | MI | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| PEPlastech Engineered Products INC | St Clair Shrs | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PCPlasteel CORP | Inkster | MI | Plastics and Rubber Products Manufacturing326150 | 1-19 | ◇ UNVERIFIED |
| PPPlastic Plaque Products INC | Port Huron | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPPlastic Plate INC Brockton Plant | Kentwood | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PRPlastic-plate Raleigh | Kentwood | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PTPlastic Trends INC | Shelby Twp | MI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PCPlastigage CORP | Jackson | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PEPmg Enterprises Plant 3 | Fraser | MI | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| PEPmg Enterprises Plant 4 | Fraser | MI | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| PPolyspec | Oxford | MI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PFPolytec Foha | Warren | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PAPontiac Assembly Center | Pontiac | MI | Transportation Equipment Manufacturing336112 | — | ◇ UNVERIFIED |
| PCPontiac Coil | Clarkston | MI | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| PWPontiac West, LLC | Pontiac | MI | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| PIPoof-slinky, INC. | Plymouth | MI | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| PMPortage Metal Finishing | Three Rivers | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PCPort City Castings Corporation | Norton Shores | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| PCPort City Die Cast | Muskegon | MI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| PPPositive Prototype Industries | Fraser | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PCPowder Cote Ii | Mount Clemens | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PSPower Solutions International | Madison Hts | MI | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| PCPpg Chemfil-troy | Troy | MI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PIPpg Industries INC | Sterling Hts | MI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PAPpi Aerospace | Warren | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PAPpi Aerospace | Warren | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PMPq Marine Holdings, INC. | Holland | MI | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| PIPrab INC | Kalamazoo | MI | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| PRPrairie River Woodworking, LLC | Sturgis | MI | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| PRPrairie Ronde Realty Company | Dowagiac | MI | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| PWPratt & Whitney Autoair-sunfield | Sunfield | MI | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| PMPrecious Metals Refiners LLC | Redford | MI | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| PFPrecision Finishing CO | Grand Rapids | MI | Machinery Manufacturing333512 | 1-19 | ◇ UNVERIFIED |
| PPPrecision Prototype | Eaton Rapids | MI | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| PCPrefix Corporation | Rochester Hills | MI | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| PPPremier Plating | Madison Heights | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PTPress-way-clinton Twp | Clinton Township | MI | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| PIPrintco INC | Niles | MI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| PPProcess Prototype INC | Romulus | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PMProctors Metal Finishing | Muskegon | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PPProduction Plated Plastics INC (sia) | Richland | MI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
