| NLNessAlla LLC | Madison | WI | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| NMNew Madison Brewing Company LLC | Madison | IN | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| NPNewsletter Press INC. | Madison | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| NENippon Express Usa, INC. | Madison | AL | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| NUNobbits USA LLC | Madison | WI | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman--epic One Aviation Way | Madison | AL | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| NMNorthstar Medical Radioisotopes, LLC. | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| NGNucor Grating - Fisher & Ludlow INC. | Madison | MS | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| NTNucor Tubular Products | Madison | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| OHOmco - Huntsville | Madison | AL | Fabricated Metal Product Manufacturing332114 | — | ◇ UNVERIFIED |
| PCPackaging Corporation of America | Madison | AL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PMPearlsnap Machine Works, LLC | Madison | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PAPgw Auto Glass, LLC | Madison | WI | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| PAPirelli Armstrong Tire CORP (closed) | Madison | TN | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| PSPLI Sorting LLC | Madison | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PWPratt & Whitney Automation | Madison | AL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PKPromega - Kornberg Center | Madison | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| QBQuince Berry Properties LLC | Madison | WI | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| RPResearch Products CORP | Madison | WI | Machinery Manufacturing333410 | — | ◇ UNVERIFIED |
| RPResearch Products Corporation | Madison | WI | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| ROResolute of Tennessee INC | Madison | TN | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| RBRight Bauer, LLC | Madison | WI | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| RDRising Dough, Inc. | Madison | WI | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| RCRiver City Printing, LLC | Madison | IN | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RWR.j. Wherry and Associates, INC. | Madison | TN | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| RGRogers Group, INC. - Madison Closed | Madison | TN | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RLRWP, Limited Liability Company | Madison | CT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SISafc INC | Madison | WI | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SBSawyer B LLC | Madison | WI | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| SISchoep's Ice Cream Co., INC. | Madison | WI | Food Manufacturing311520 | — | ◇ UNVERIFIED |
| SCScs Cabinets LLC | Madison | AL | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| SASecond Act Manufacturing LLC | Madison | AL | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| SSShenkle Steel LLC | Madison | VA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Shine Technologies Heliopolis | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SBSigns by Tomorrow | Madison | WI | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SOSlydog of South Dakota, Inc. | Madison | SD | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| SSSouthern Steel - Wire Incorporated | Madison | NC | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| SLState Line Distillery, LLC | Madison | WI | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
 Stephens Pipe & Steel LLC | Madison | TN | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SStratatech | Madison | WI | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| SISyar Industries, INC. | Madison | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TITaylor Industries LLC | Madison | MS | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| TITekniplex INC. Madison South | Madison | WI | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| THThe Hippie Joey Company, LLC | Madison | AL | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| TCTobitt Custom Cabinetry INC | Madison | TN | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| TUTorrecid Usa, LLC | Madison | TN | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| TWTotal Water Treatment Systems, INC | Madison | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TSTrillium Solid Surface, LLC | Madison | WI | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| TLTuttle Lithography, INC | Madison | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| TOTwin Oaks Madison, LLC | Madison | FL | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
