| 5N563 New Dam Road | Sanford | — | ◇ UNVERIFIED |
| AKAppalachian Katahdin LLC | Patten | — | ◇ UNVERIFIED |
| AZAvedis Zildjian CO. | Newport | — | ◇ UNVERIFIED |
| BRBlue Ridge Fiberboard | Lisbon Falls | — | ◇ UNVERIFIED |
| CCCarrier Chipping, INC. | Skowhegan | — | ◇ UNVERIFIED |
| CFChester Forest Products, LLC | Chester | — | ◇ UNVERIFIED |
| CFColumbia Forest Prods Hardwood Veneer | Presque Isle | — | ◇ UNVERIFIED |
| CPCorinth Pellets, LLC | Corinth | — | ◇ UNVERIFIED |
| CCCostigan Chip LLC | Milford | — | ◇ UNVERIFIED |
| DDDirigo Dowels & Pins | New Portland | — | ◇ UNVERIFIED |
| ECEj Carrier INC | Jackman | — | ◇ UNVERIFIED |
| FCFarmington Chipping Enterprises | Farmington | — | ◇ UNVERIFIED |
| FIForest Industries | Fryeburg | — | ◇ UNVERIFIED |
| HLHancock Lumber | Bethel | — | ◇ UNVERIFIED |
| HPHardwood Products | Guilford | — | ◇ UNVERIFIED |
| HGH G Winter & Sons INC | Kingfield | — | ◇ UNVERIFIED |
| HHHuber Hardwood-dolby Site | Millinocket | — | ◇ UNVERIFIED |
| HCHyponex Corporation | Medway | — | ◇ UNVERIFIED |
| IFIrving Forest Products INC | Nashville Plantation | — | ◇ UNVERIFIED |
Louisiana-pacific Oriented Strand Board (closed) | Baileyville | — | ◇ UNVERIFIED |
| MWMaine Wood Turning Mill Site | New Vineyard | — | ◇ UNVERIFIED |
| MCMoosehead Cedar Log Homes | Greenville | — | ◇ UNVERIFIED |
| MMMoosewood Millworks LLC - Ash | Ashland | — | ◇ UNVERIFIED |
| NWNational Wood Products of Maine, INC. | Oxford | — | ◇ UNVERIFIED |
| NCN. C. Hunt, INC. | Jefferson | — | ◇ UNVERIFIED |
| NLNortheastern Log Homes, LLC | Kenduskeag | — | ◇ UNVERIFIED |
| PTPerma Treat Co-generation Plant | Mattawamkeag | — | ◇ UNVERIFIED |
| RER E Lowell Lumber | Buckfield | — | ◇ UNVERIFIED |
| RLRobbins Lumber East Baldwin, LLC | East Baldwin Mattocks Station | — | ◇ UNVERIFIED |
| RLRobbins Lumber East Baldwin, LLC - East Baldwin | East Baldwin | — | ◇ UNVERIFIED |
| RLRobbins Lumber Sanford, LLC | Sanford | — | ◇ UNVERIFIED |
| SBSaunders Brothers | Westbrook | — | ◇ UNVERIFIED |
| SBSaunders Brothers - Locke Mills Plant | Greenwood | — | ◇ UNVERIFIED |
| SMSolon Manufacturing | Solon | — | ◇ UNVERIFIED |
| BCBoundary Co. | Jackman | 20–99 | ◐ LIKELY ACTIVE |
| CMCedarWorks Manufactering Plant | Rockland | 20–99 | ◐ LIKELY ACTIVE |
| COCedarWorks Office | Rockport | 1–19 | ◐ LIKELY ACTIVE |
| CSCHEP Scarborough Service Center (USWT) | Scarborough | 20–99 | ◐ LIKELY ACTIVE |
| CFColumbia Forest Products Presque Isle | Presque Isle | 100–499 | ◐ LIKELY ACTIVE |
| DSDixfield Sawmill | Dixfield | 100–499 | ◐ LIKELY ACTIVE |
| HLHancock Lumber Company-Mainely Trusses | Fairfield | 20–99 | ◐ LIKELY ACTIVE |
| HLHancock Lumber Company- Pittsfield Sawmill | Pittsfield | 20–99 | ◐ LIKELY ACTIVE |
| JIJD Irving Masardis sawmill | Masardis | 20–99 | ◐ LIKELY ACTIVE |
Louisiana-Pacific Houlton | New Limerick | 100–499 | ◐ LIKELY ACTIVE |
| PIPalletONE, Inc | Livermore Falls | 100–499 | ◐ LIKELY ACTIVE |
| PPoland | Poland | 20–99 | ◐ LIKELY ACTIVE |
| PMPortland Millwork - BMD | Portland | 100–499 | ◐ LIKELY ACTIVE |
| SBSaco - BMD | Saco | 20–99 | ◐ LIKELY ACTIVE |
| CCCostigan Chip, LLC | Milford | 100–499 | ◇ UNVERIFIED |
| GCGarrity Company INC. | Leeds | 20–99 | ◇ UNVERIFIED |