| 2 Feet Brewing Company | 80 Columbia St | Bangor | Maine | 04401-6319 | United States | brewpub | |
| Airline Brewing Company | 22 Mill Ln | Amherst | Maine | 04428 | United States | micro | |
| Allagash Brewing Co | 50 Industrial Way | Portland | Maine | 04103-1270 | United States | regional | |
| Andrews Brewing Co | 353 High St | Lincolnville | Maine | 04849-5846 | United States | micro | |
| Atlantic Brewing Co | 15 Knox Rd | Bar Harbor | Maine | 04609-7770 | United States | micro | |
| Atlantic Brewing Co / Bar Harbor Brewing | 52 Cottage Street Bar Harbor | Bar Harbor | Maine | 04609 | United States | brewpub | |
| Austin Street Brewery | 1 Industrial Way Ste 8 | Portland | Maine | 04103-1072 | United States | micro | |
| Bag and Kettle, The | 9000 Main St Apt 21 | Carrabassett Valley | Maine | 04947-6808 | United States | brewpub | |
| Banded Brewing Company | 32 Main St. Bldg 13-W Ste 102 | Biddeford | Maine | 04005-5145 | United States | micro | |
| Bangor Beer Co. | 330 Bangor Mall Blvd | Bangor | Maine | 04401-3644 | United States | brewpub | |
| Barreled Souls Brewing Company LLC | 743 Portland Rd | Saco | Maine | 04072-9005 | United States | micro | |
| Bath Brewing Company | 141 Front St | Bath | Maine | 04530 | United States | brewpub | |
| Battery Steele Brewing | 1 Industrial Way Ste 12 | Portland | Maine | 04103-1072 | United States | micro | |
| Baxter Brewing Co, LLC | 130 Mill St | Lewiston | Maine | 04240-7774 | United States | regional | |
| Bear Bones Beer | 2 Cottage St Ste 1 | Bridgton | Maine | 04009-1137 | United States | micro | |
| Bear Bones Beer | 43 Lisbon St | Lewiston | Maine | 04240-7115 | United States | micro | |
| Belfast Bay Brewing Co | 100 Searsport Ave | Belfast | Maine | 04915-7221 | United States | contract | |
| Bigelow Brewing Company | 473 Bigelow Hill Rd | Skowhegan | Maine | 04976-5126 | United States | brewpub | |
| Bissell Brothers Brewing | 4 Thompsons Pt Ste 108 | Portland | Maine | 04102-2639 | United States | micro | |
| Black Bear Brewery | 19 Mill St Ste 4 | Orono | Maine | 04473-4095 | United States | micro | |
| Blank Canvas Brewery | 46 Betton St Ste 3 | Brewer | Maine | 04412-2636 | United States | micro | |
| Boothbay Craft Brewery, Inc | 301 Adams Pond Rd | Boothbay | Maine | 04537-4334 | United States | micro | |
| Bunker Brewing Co | 17 Westfield St Unit D | Portland | Maine | 04102-2730 | United States | micro | |
| Cushnoc Brewing Company | 243 Water St | Augusta | Maine | 04330-4615 | United States | brewpub | |
| D.L. Geary Brewing Co Inc. | 38 Evergreen Dr | Portland | Maine | 04103-1066 | United States | micro | |
| DeepWater Brewing Company | 33 Tenney Hl | Blue Hill | Maine | 04614 | United States | micro | |
| Definitive Brewing Company | 35 Industrial Way | Portland | Maine | 04103-1071 | United States | micro | |
| Dirigo Brewing Co. | 28 Pearl St | Biddeford | Maine | 04005-2040 | United States | micro | |
| Drumming Grouse Brewery, LLC | 318 Fosterville Rd | Bridgton | Maine | 04009-4032 | United States | micro | |
| First Mile Brewing Company | 28 Market St Ste 103 | Fort Kent | Maine | 04743 | United States | micro | |
| Flight Deck Brewing | 11 Atlantic Dr | Brunswick | Maine | 04011-4400 | United States | micro | |
| Fogtown Brewing Company | 25 Pine St | Ellsworth | Maine | 04605-2023 | United States | micro | |
| Fore River Brewing Company | 45 Huntress Ave | South Portland | Maine | 04106-4115 | United States | micro | |
| Foulmouthed Brewing | 15 Ocean St | South Portland | Maine | 04106-2838 | United States | brewpub | |
| Foundation Brewing Company | 1 Industrial Way Ste 5 | Portland | Maine | 04103-1072 | United States | micro | |
| Friars' Brewhouse | 84 Main St | Bucksport | Maine | 04416 | United States | micro | |
| Funky Bow Brewery & Beer Company | 21 Ledgewood Ln | Lyman | Maine | 04002-7376 | United States | micro | |
| Gary's Olde Towne Tavern | 678 Roosevelt Trl | Naples | Maine | 04055-5335 | United States | micro | |
| Geaghan Brothers Brewing Co | 34 Abbott St | Brewer | Maine | 04412-2202 | United States | micro | |
| Geaghan's Pub & Craft Brewery | 570 Main St | Bangor | Maine | 04401-6821 | United States | brewpub | |
| Gneiss Brewing | 94 Patterson Rd | Limerick | Maine | 04048-4242 | United States | micro | |
| Goodfire Brewing Company | 219 Anderson St Ste 6 | Portland | Maine | 04101-1401 | United States | micro | |
| Grateful Grain Brewing Company | 26 Route 126 | Monmouth | Maine | 04259-7727 | United States | micro | |
| Gritty McDuffs - Freeport | 187 Lower Main St | Freeport | Maine | 04032 | United States | brewpub | |
| Gritty McDuffs - Lewiston/Auburn | 68 Main St | Auburn | Maine | 04210-5812 | United States | brewpub | |
| Gritty McDuffs - Portland | 396 Fore St | Portland | Maine | 04101-4026 | United States | brewpub | |
| Gruit Brewing | 200 Anderson St | Portland | Maine | 04101-2562 | United States | micro | |
| Hidden Cove Brewing Co | 73 Mile Rd | Wells | Maine | 04090-4135 | United States | micro | |
| Inn On Peaks Island Brewery, The | 33 Island Ave | Peaks Island | Maine | 04108-1333 | United States | brewpub | |
| Island Dog Brewing | 125 John Roberts Rd | South Portland | Maine | 04106-3295 | United States | micro | |