Pioneer Plastics CORP | Auburn | 100–499 | ● ACTIVE |
| SNSappi North America, INC. Somerset Facility | Skowhegan | 500+ | ● ACTIVE |
| TITambrands INC | Auburn | 500+ | ● ACTIVE |
Packgen | Auburn | 20–99 | ● ACTIVE |
Paramount Planet Product LLC | Orono | — | ● ACTIVE |
Tanbark Molded Fiber Products INC | Saco | — | ● ACTIVE |
| MOMead Oxford Corporation | Rumford | — | ◐ LIKELY ACTIVE |
| RSRed Shield | Old Town | — | ◐ LIKELY ACTIVE |
| SDS D Warren CO | Westbrook | — | ◐ LIKELY ACTIVE |
| TRTwin Rivers Paper Company LLC | Madawaska | — | ◐ LIKELY ACTIVE |
| WPWoodland Pulp Mill | Baileyville | — | ◐ LIKELY ACTIVE |
| HFHuhtamaki Food Services | Waterville | — | ◐ LIKELY ACTIVE |
| AHAnson Hydro Project | Madison | — | ◐ LIKELY ACTIVE |
| LPLincoln Pulp & Paper Company Incorporated | Lincoln | — | ◐ LIKELY ACTIVE |
| NPNortheast Packaging CO. | Presque Isle | — | ◐ LIKELY ACTIVE |
| VPVerso Paper - Androscoggin Mill | Jay | — | ◐ LIKELY ACTIVE |
| GLGo Lab Madison-timber Hp | Madison | — | ◐ LIKELY ACTIVE |
| PAPixelle Androscoggin | Jay | — | ◐ LIKELY ACTIVE |
| CHCascade Holdings US INC | Auburn | — | ◇ UNVERIFIED |
| CPCatalyst Paper Operations INC | Mexico | — | ◇ UNVERIFIED |
| CECianbro Eastern Manufacturing Facility | Brewer | — | ◇ UNVERIFIED |
| EFEastern Fine Paper | Brewer | — | ◇ UNVERIFIED |
| GFGrand Falls Hydro Project | Baileyville | — | ◇ UNVERIFIED |
| GNGreat Northern Paper | Millinocket | — | ◇ UNVERIFIED |
| GNGreat Northern Paper #2 | East Millinocket | — | ◇ UNVERIFIED |
| IPInternational Paper Container Facility | Auburn | — | ◇ UNVERIFIED |
| VPVerso Paper Bucksport Mill | Bucksport | — | ◇ UNVERIFIED |
| WPWausau Paper Otis Mill | Jay | — | ◇ UNVERIFIED |
| HWHuhtamaki Waterville | Waterville | 500+ | ◐ LIKELY ACTIVE |
| IPInternational Paper (2) | Auburn | 100–499 | ◐ LIKELY ACTIVE |
| NPND Paper | Rumford | 500+ | ◐ LIKELY ACTIVE |
| PTPittsfield - Tubes & Cores - C333 | Pittsfield | 20–99 | ◐ LIKELY ACTIVE |
| SNSappi NA - Portland | Portland | 100–499 | ◐ LIKELY ACTIVE |
| SNSappi NA Westbrook Operations | Westbrook | 100–499 | ◐ LIKELY ACTIVE |
| SNSappi North America - Tech Center | Westbrook | 20–99 | ◐ LIKELY ACTIVE |
| SRScarborough RTS Packaging - F427 | Scarborough | 20–99 | ◐ LIKELY ACTIVE |
| VPVolk Packaging CORP. | Biddeford | — | ◇ UNVERIFIED |
| CACascades Auburn Fiber a Division of Cascades Holding U.s., INC. | Auburn | — | ◇ UNVERIFIED |
| CPCatalyst Paper Operations, INC. | Rumford | — | ◇ UNVERIFIED |
| FFFrenchville - Fraser Papers' Landfill | Frenchville | — | ◇ UNVERIFIED |
| GLGo Lab Madison, LLC - Madison | Madison | — | ◇ UNVERIFIED |
| JRJgt2 Redevelopment LLC - Jay | Jay | — | ◇ UNVERIFIED |
| NLNepw Logistics, INC. | Scarborough | — | ◇ UNVERIFIED |
| NPNortheast Packaging Company | Presque Isle | — | ◇ UNVERIFIED |
| RPRumford Paper CO - Farrington Mountain Rd Landfill | Rumford | — | ◇ UNVERIFIED |
| SASomerset Acquitions, LLC - Ma | Madison | — | ◇ UNVERIFIED |
| WPWoodland Pulp LLC | Baileyville | — | ◇ UNVERIFIED |