| Company | City |
| ABB | New Berlin |
| Agropur | Luxemburg |
| Agropur, Inc. – Little Chute | Appleton |
| Ahern | Fond du Lac |
| Albany International | Kaukauna |
| Alliant Energy – Wisconsin Power and Light | Madison |
| Amerequip | Kiel |
| American Lutheran Homes | Mondovi |
| American Phoenix Inc | Eau Claire |
| AZCO, Inc. | Menasha |
| Badger Technical Services | North Freedom |
| Brady Corporation – Milwaukee Operations | Milwaukee |
| Briohn Building Corporation | Brookfield |
| C.G. Schmidt, Inc. | Milwaukee |
| CHR. Hansen | West Allis |
| CMD Corporation | Appleton |
| Cooper Power Systems | Pewaukee |
| Cooper Power Systems South Milwaukee | South Milwaukee |
| Corner Stone Construction of Janesville, Inc. | Janesville |
| Cummins Filtration – Neillsville | Neillsville |
| Dillman Equipment, a division of Astec, Inc | Prairie du Chien |
| Dura-Fibre, LLC | Menasha |
| Energis High Voltage Resources, Inc. | Green Bay |
| ERCO Worldwide | Nekoosa |
| Fair Oaks Farms West | Pleasant Prairie |
| Fair Oaks Farms, LLC | Pleasant Prairie |
| Fitesa Green Bay | Green Bay |
| Flint Hills Resources | Milwaukee |
| Foremost Farms USA | Baraboo |
| Friede & Associates, LLC | Reedsburg |
| GE Healthcare | Milwaukee |
| GE Healthcare – RDC | Milwaukee |
| GE Healthcare – Waukesha South | Waukesha |
| GE Healthcare Systems – Milwaukee | Milwaukee |
| Georgia-Pacific, Green Bay Operations | Green Bay |
| Graycor Industrial Constructors, Inc. | Oak Brook Terrace |
| Graymont (WI) LLC | Superior |
| Grede II, LLC | Oconomowoc |
| Grede II, LLC | Menomonee Falls |
| Grede LLC – Reedsburg | Reedsburg |
| Grunau Company (WI) | Oak Creek |
| Hydro-Thermal Corp. | Waukesha |
| ITU, Inc. | New Berlin |
| J. F. Brennan Co. Inc. | La Crosse |
| John Deere Horicon Works | Horicon |
| Johnsonville Sausage – Meadowside | Sheboygan Falls |
| Lakehead Painting Company | Superior |
| Learning Shop | Appleton |
| Leicht Transfer & Storage, LLC | Green Bay |
| Madison Gas and Electric Company | Madison |
| Menasha Packaging Company LLC – Green Lake Plant | Green Lake |
| Mercury Marine – Plant 36 | Taycheedah |
| Mercury Marine – Plant 98 | Fond du Lac |
| Mortenson Construction | Brookfield |
| Nextera Energy, Point Beach Nuclear Plant | Two Rivers |
| Northeast Asphalt, Inc. | Greenville |
| Northern Electric, Inc. | Green Bay |
| NSP Wisconsin | Henderson |
| NUK_USA LLC | Reedsburg |
| Oil-Rite Corporation | Manitowoc |
| OMNOVA Solutions | Green Bay |
| Phillips Medisize | Eau Claire |
| Phillips Medisize – Metal Injection Molding | Menomonie |
| Phillips Medisize – Operations Center | Eau Claire |
| Phillips Medisize – Phillips Automotive | Medford |
| Phillips Medisize – Phillips Medical | Menomonie |
| RockTenn Merchandising Displays – Adams Plant | Adams |
| Rockwell Automation | Mequon |
| Rockwell Automation – Richland Center | Richland Center |
| Rockwell Automation Corporate | Milwaukee |
| Sauk County | Baraboo |
| Scheck Mechanical Wisconsin Corporation | Countryside |
| SEH – Appleton | Appleton |
| SEH – Madison | Madison |
| SEH – Milwaukee | Milwaukee |
| SEH – New Richmond | New Richmond |
| SEH – Rice Lake | Rice Lake |
| SEH – Superior | Superior |
| Sentry Equipment Corp. | Oconomowoc |
| Smith Feed Service / Vita Plus Loyal | Loyal |
| Springs Window Fashions | Middleton |
| SSI Technologies – Sintered Division | Janesville |
| SSI Technologies, Inc. – Controls Division | Janesville |
| The Boldt Company | Appleton |
| Thilmany Papers Nicolet Mill | De Pere |
| Toshiba International Corporation | West Allis |
| Tweet/Garot Mechanical, Inc. | Green Bay |
| Universal Die & Stampings | Prairie du Sac |
| USG Interiors, LLC | Walworth |
| USG Structural Technologies, LLC | Delavan |
| Viking Gas Transmission | Chippewa Falls |
| VJS Construction Services | Pewaukee |
| Warehouse Specialists, Inc. | Appleton |
| Watertown Hops Company | Watertown |
| Wausau Window & Wall Systems | Wausau |
| We Energies | Milwaukee |
| West Bend Mutual Insurance Company | West Bend |
| Westphal & Company, Inc. | Madison |
| Wisconsin Public Service – Pulliam Plant | Green Bay |
