| WBWestern Building Products INC | Milwaukee | 100–499 | ◐ LIKELY ACTIVE |
| AGAlan Gorzlancyk Enterprises INC. | Plover | 20–99 | ◇ UNVERIFIED |
| AIArcways, Incorporated | Neenah | 20–99 | ◇ UNVERIFIED |
| ALAugust Lotz CO INC | Boyd | — | ◇ UNVERIFIED |
| BTBayside Timber Corporation | Ashland | — | ◇ UNVERIFIED |
| BMBirchwood Mfg CO | Rice Lake | — | ◇ UNVERIFIED |
| DLDrummond Lumber | Drummond | — | ◇ UNVERIFIED |
| EEastbay/footlocker | Wausau | — | ◇ UNVERIFIED |
| EIEggers Industries Custom Plywood Div | Two Rivers | — | ◇ UNVERIFIED |
| EIEggers Industries, Custom Plywood Division | Two Rivers | — | ◇ UNVERIFIED |
| EIEggers Industries - East Plant | Two Rivers | — | ◇ UNVERIFIED |
| EWElipticon Wood Products INC | Little Chute | — | ◇ UNVERIFIED |
| FWFoley Wood Products INC | Ellsworth | — | ◇ UNVERIFIED |
| GPGeorgia Pacific CORP -superior | Superior | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Wood Products LLC | Phillips | — | ◇ UNVERIFIED |
| GRGlenn Rieder INC | Milwaukee | — | ◇ UNVERIFIED |
| HWHurd Windows & Doors INC | Merrill | — | ◇ UNVERIFIED |
| IPInternational Paper CO Pluswood Div | Oshkosh | — | ◇ UNVERIFIED |
| JRJack Richeson & CO INC | Kimberly | — | ◇ UNVERIFIED |
| JHJeld-wen Hawkins Window Division | Hawkins | — | ◇ UNVERIFIED |
| JTJohnson Timber Corporation | Park Falls | — | ◇ UNVERIFIED |
| JTJohnson Timber Corporation | Hayward | — | ◇ UNVERIFIED |
| LOLignetics of Great Lakes LLC | Hayward | — | ◇ UNVERIFIED |
 Louisiana Pacific Tomahawk Wi | Tomahawk | — | ◇ UNVERIFIED |
| MPMadison Pre-hung Doors & Pre-finishing | Oregon | — | ◇ UNVERIFIED |
| MTMarshall Towne Millwork LLC Dba Auburn Ridge | Marshall | — | ◇ UNVERIFIED |
| MCMasonite CORP | Algoma | — | ◇ UNVERIFIED |
| MGMenards General Office-fd921 | Eau Claire | — | ◇ UNVERIFIED |
| NLNagel Lumber CO INC | Land O Lakes | — | ◇ UNVERIFIED |
| NMNorthern Mfg. Co., INC. | Grantsburg | — | ◇ UNVERIFIED |
| NWNorthview Window & Door, LLC | Marathon | 20–99 | ◇ UNVERIFIED |
| OIO'keefe Incorporated | River Falls | — | ◇ UNVERIFIED |
| OIOshkosh Industrial INC | Oshkosh | — | ◇ UNVERIFIED |
| OFOwens Flooring (quanex Building Products) | Shawano | — | ◇ UNVERIFIED |
| PSPalmer-donavin Seal Rite Door | Beloit | — | ◇ UNVERIFIED |
| RMRib Mountain Bio LLC | Athens | 1–19 | ◇ UNVERIFIED |
| RCRytec CORP | Jackson | — | ◇ UNVERIFIED |
| SMSemling Menke CO INC | Merrill | — | ◇ UNVERIFIED |
| SPSierra Pacific Windows | Merrill | — | ◇ UNVERIFIED |
| SPSierra Pacific Windows | Medford | — | ◇ UNVERIFIED |
| SPSne-stevens Point | Stevens Point | — | ◇ UNVERIFIED |
| SISourcecut Industries, INC. | Osseo | 20–99 | ◇ UNVERIFIED |
| SMSpecialty Manufacturing of Menomonie, LLC | Boyceville | 20–99 | ◇ UNVERIFIED |
| SBStock Building Supply | Green Bay | — | ◇ UNVERIFIED |
| SKSuperior Kiln | Mellen | — | ◇ UNVERIFIED |
| TTechline | Waunakee | — | ◇ UNVERIFIED |
| TCThe Carlson CO | Madison | — | ◇ UNVERIFIED |
| TCTimber Creek Resource, LLC | Milwaukee | 20–99 | ◇ UNVERIFIED |
| USUniversal Silencer - Plant 22 | Montello | — | ◇ UNVERIFIED |
| VBVulcan Brunswick Bowling Pin CO. | Antigo | — | ◇ UNVERIFIED |
