| GTGene's Tires INC. | Beaver Dam | WI | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| GPGo Pak LLC | Delafield | WI | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| GIGreen-Tek, Inc. | Janesville | WI | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| GMGregory Marx | Germantown | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HMHartzell Manufacturing | Turtle Lake | WI | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| HIHL Investment Properties LLP | Franklin | WI | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| IAInvento Americas, INC. | Sheboygan | WI | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| KEKNM Enterprises LLC | Plymouth | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| LRLaneer Rubber Products C/o Poly-options INC | Kenosha | WI | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| LLLubrizol Life Sciences INC | Franklin | WI | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| LCLuk Corporation INC | Menomonie | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MLMac Lean-fogg Company | Menomonee Falls | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MLMastermold LLC | Watertown | WI | Plastics and Rubber Products Manufacturing326100 | — | ◇ UNVERIFIED |
| MCMcm Composites, LLC | Manitowoc | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MOMdi of Wisconsin | Oshkosh | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MMMekco Manufacturing INC | Newton | WI | Plastics and Rubber Products Manufacturing326100 | — | ◇ UNVERIFIED |
| MGMgs Group North America INC | Germantown | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
 Miniature Precision Components Janesville | Janesville | WI | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| MPModern Plastics Design | Madison | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MPMoldrite Products, INC. | Waukesha | WI | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| NPNexGen Plastics, Inc. | Salem Lakes | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NCNon-metallic Components, INC. | Cuba City | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NNovolex | Shawano | WI | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| NINtm INC. | Elroy | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NINtm, INC. | Elroy | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| OMOconomowoc Molded Products, INC. | Oconomowoc | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PMParco Manufacturing, Inc. | Eau Claire | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPerfecseal | Oshkosh | WI | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| PIPlastic Ingenuity INC | Mazomanie | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PEPlastics Eng CO | Sheboygan | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PUPlastics Unlimited, Inc. | Milwaukee | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PCPolyfab CORP | Sheboygan | WI | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| PIPolyflex, INC. | Walworth | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PCPolyone CORP | De Forest | WI | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| PIPolyPail Inc. | Delavan | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PTPomp's Tire Service, INC | Rice Lake | WI | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| PSPregis Sharp Systems LLC | Sussex | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PIPro-cast INC | Brookfield | WI | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| R3Rapid 3D incorporated | Appleton | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RCRitus CORP | Milwaukee | WI | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| RTRoma Tool & Plastics, Div. of Infopac Imaging, INC. | Almena | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RIRSP, Incorporated | Brookfield | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RBRuss Blakeley Converting, INC. | Waukesha | WI | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| RCRytec Corporation | Jackson | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SPScandia Plastics LLC Dba Comar | Sheboygan | WI | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| STSouthside Tire Company INC | Schofield | WI | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| SSpartech | Kohler | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SCSpartech Corporation Plant 2 | Portage | WI | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| SPSpartech Polycom (texas) INC | Portage | WI | Plastics and Rubber Products Manufacturing326110 | — | ◇ UNVERIFIED |
| SCSt. Croix Manufacturing, LLC | Grantsburg | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
