| SFSidereal Farm Brewery, LLC | Vassalboro | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SMSloat's Machining & Fabrication | Houlton | ME | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SLSmith's Log Smokehouse | Monroe | ME | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SWSmith & Wesson Houlton ME Site A | Houlton | ME | Fabricated Metal Product Manufacturing332994 | 20-99 | ◐ LIKELY ACTIVE |
| SWSmith & Wesson Houlton, ME Site B | Houlton | ME | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| SRSoft Robotic Angiography LLC | Cape Elizabeth | ME | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| SRSolar Rock Winery LLC | Dayton | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SASomic America | Brewer | ME | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| SPSouthpaw Packing Company, INC | Limington | ME | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SPSouth Portland (2) | South Portland | ME | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| SRSplit Rock Distilling | Newcastle | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SCSpotted Cat Winery | Greenville | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SFStone Fort Distillery | Biddeford | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| STStone Tree Farm & Cidery | Unity | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SKStonewall Kitchen | Wells | ME | Miscellaneous Manufacturing339999 | 20-99 | ◐ LIKELY ACTIVE |
| SSStroudwater Spirits | Portland | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SSSunbelt Solomon Services-MEBE | Bethel | ME | Electrical Equipment, Appliance & Component Manufacturing335311 | 1-19 | ◐ LIKELY ACTIVE |
| SNSunmade Naturals Wine | Rumford | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TSTanguay & Son Winery | Lewiston | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TOTardigrade Optics INC | Skowhegan | ME | Miscellaneous Manufacturing339115 | — | ◐ LIKELY ACTIVE |
Tekto LLC | Saco | ME | Fabricated Metal Product Manufacturing332215 | — | ◐ LIKELY ACTIVE |
| TBThe Barracks at Oyster Creek, LLC | Nobleboro | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TCThe Copper Penny Distillery | North Waterboro | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TCThe Cote Corporation | Auburn | ME | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| TDThe Design Tex Group INC. | Portland | ME | Textile Product Mills314999 | — | ◐ LIKELY ACTIVE |
| TDThe Devil's Half Acre | Hermon | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TFThe Fat Friar Meadery | Newcastle | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TGThe Green Bee | Old Orchard Beach | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TATheriault's Abattoir, Inc. | Hamlin | ME | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TSThe Sausage Kitchen | Lisbon Falls | ME | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TCThomas Coleman Harmon | Scarborough | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TOThree of Strong Spirits | Portland | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TMThs Machine, INC. | Hampden | ME | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| TDTidal Diagnostic Solutions INC | Scarborough | ME | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| TMTide Mill Organic Farm, LLC | Edmunds Twp | ME | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| TTTin Top Cider Company | Alna | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TWToby W Kenniston | Rockland | ME | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| TATransparent Audio Inc | Saco | ME | Computer and Electronic Product Manufacturing334310 | 20-99 | ◐ LIKELY ACTIVE |
| TPTrenton Production | Trenton | ME | Transportation Equipment Manufacturing336612 | 100-499 | ◐ LIKELY ACTIVE |
| TGTripping Goats Orchard and Cidery LLC | Chapman | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TGTwitchell Garden Kitchen & Winery | Hartland | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| VIVaillancourt Inspection Inc. | Van Buren | ME | — | — | ◐ LIKELY ACTIVE |
| VIValmet Inc Winthrop | Winthrop | ME | Machinery Manufacturing333243 | 1-19 | ◐ LIKELY ACTIVE |
| VGVELUX Greenwood - Wells, ME | Wells | ME | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| WBWAR Brewing Company | Acton | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WGWestbrook Granite Works | Westbrook | ME | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| WMWestons Meat Cutting, DBA Matthew Weston | West Gardiner | ME | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| WCWhaleback Cidery | Lincolnville | ME | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WBWiggly Bridge Distillery | York | ME | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| WOWilbur's of Maine Chocolate Confections Freeport Factory | Freeport | ME | Food Manufacturing311352 | 20-99 | ◐ LIKELY ACTIVE |