| MYMarquis Yachts LLC - Facility 1 | Pulaski | WI | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| MMeritor | Oshkosh | WI | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| MMMilsco Mfg CO | Milwaukee | WI | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| MTMonroe Truck Equipment | Janesville | WI | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| NGNelson Global Products INC | Viroqua | WI | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| PMPierce Manufacturing - Fabrication Plant | Appleton | WI | Transportation Equipment Manufacturing336120 | — | ◇ UNVERIFIED |
| PMPierce Manufacturing, INC. - Neenah | Neenah | WI | Transportation Equipment Manufacturing336120 | — | ◇ UNVERIFIED |
| PBPraefke Brake & Supply CORP | West Bend | WI | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| SSSierra Space | Middleton | WI | Transportation Equipment Manufacturing336415 | — | ◇ UNVERIFIED |
| SSS & S Cycle INC | Viola | WI | Transportation Equipment Manufacturing336990 | — | ◇ UNVERIFIED |
| TATextron Aviation INC | Milwaukee | WI | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| TBTrek Bicycle CORP | Waterloo | WI | Transportation Equipment Manufacturing336990 | — | ◇ UNVERIFIED |
| TATrw Automotive | Ettrick | WI | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| WPWaterford Precision Cycles | Waterford | WI | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| WMWells Mfg CORP Electronics Plt | Fond Du Lac | WI | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| WAWisconsin and Southern Railroad Company | Horicon | WI | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| 1170 | Burlington | WI | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| 1T1925 Tri Star Motors | Baldwin | WI | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| AIAirworthy Inc- 2020 | Hudson | WI | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| AGAROW Global | Mosinee | WI | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| AFAtmus Filtration Technologies Inc | Stoughton | WI | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
Avitek Aerospace Industries, INC. | Oak Creek | WI | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| BMBay Metal Works Inc. | Green Bay | WI | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| BTBecker Trailers LLC | West Salem | WI | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| BTBurlington Trucking | Burlington | WI | Transportation Equipment Manufacturing336999 | 1-19 | ◐ LIKELY ACTIVE |
| CYCruisers Yachts INC / Charles Street | Oconto | WI | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| CYCruisers Yachts / Pecor Street | Oconto | WI | Transportation Equipment Manufacturing336612 | 100-499 | ◐ LIKELY ACTIVE |
| D2DEF - 20th Avenue | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DDDEF - DCMA/T&D North | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 1-19 | ◐ LIKELY ACTIVE |
| DDDEF - Defense Program Center | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DGDEF - Global Technology Center | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 100-499 | ◐ LIKELY ACTIVE |
| DHDEF - Harrison Street | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 100-499 | ◐ LIKELY ACTIVE |
| DNDEF - North Plant | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 100-499 | ◐ LIKELY ACTIVE |
| DODEF - Oakwood Facility | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DPDEF - Product Development Center | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 1-19 | ◐ LIKELY ACTIVE |
| DTDEF - Test and Development | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| ESElectronics Solutions Appleton | Appleton | WI | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| ERETE Reman - Servite | Milwaukee | WI | Transportation Equipment Manufacturing336350 | 500+ | ◐ LIKELY ACTIVE |
| ERETE Reman - Teutonia | Brown Deer | WI | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| FRFelss Rotaform LLC | New Berlin | WI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| GAGood Aerospace LLC | Madison | WI | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| GFGVS Filtration | Bloomer | WI | Transportation Equipment Manufacturing336390 | 1-19 | ◐ LIKELY ACTIVE |
| HPHayes Performance Systems | Mequon | WI | Transportation Equipment Manufacturing336340 | 100-499 | ◐ LIKELY ACTIVE |
| HSHelicopter Specialties, Inc. | Janesville | WI | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| HWHudson Wire Shop | Hudson | WI | Transportation Equipment Manufacturing336510 | 1-19 | ◐ LIKELY ACTIVE |
| HWHudson WI Signal | Hudson | WI | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| HEHuxhold Enterprises LLC | Bonduel | WI | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
Innovative Industries, Inc Kempster | Deerbrook | WI | Transportation Equipment Manufacturing336390 | 1-19 | ◐ LIKELY ACTIVE |
| IMIn-place Machining Company, LLC | Milwaukee | WI | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| JSJagemann Stamping Company JSC | Manitowoc | WI | Machinery Manufacturing333514 | 100-499 | ◐ LIKELY ACTIVE |