 Linemaster Switch Corporation | Plainfield | CT | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| MBMama Bird Bakery LLC | Plainfield | IN | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| MAM & a Plainfield Food Mart | Plainfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MHMeritor Heavy Vehicle Systems LLC | Plainfield | IN | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| MSMidwest Stone, INC. | Plainfield | IL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MWMK Wood Cabinetry | Plainfield | CT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MMobil | Plainfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MTMorgan Truck Body, LLC - Mct | Plainfield | CT | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| PAPanel Authority, INC. | Plainfield | IL | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| PGPlainfield Gas | Plainfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PIPlainfield Industries Corp.dba Pic Molding | Plainfield | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPPro-manufactured Products, INC. | Plainfield | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RARavago Americas LLC | Plainfield | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RRyder | Plainfield | IN | Electrical Equipment, Appliance & Component Manufacturing335228 | — | ◇ UNVERIFIED |
| SGS & G Packaging LLC | Plainfield | IL | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| SPSnow Pillows LLC | Plainfield | IN | Apparel Manufacturing315250 | — | ◇ UNVERIFIED |
| TSTempur Sealy | Plainfield | IN | Furniture and Related Product Manufacturing337910 | — | ◇ UNVERIFIED |
| TSThermal Structures INC | Plainfield | IN | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| TBTodds Body Shop INC | Plainfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| UCUtility Concrete Products | Plainfield | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VLVtkk LLC | Plainfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| W9Wescom 911 Ctr | Plainfield | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
