| Airline Brewing Company | 22 Mill Ln | Amherst | Maine | 04428 | United States | micro | |
| 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 | |
| Austin Street Brewery | 1 Industrial Way Ste 8 | Portland | Maine | 04103-1072 | United States | micro | |
| Banded Brewing Company | 32 Main St. Bldg 13-W Ste 102 | Biddeford | Maine | 04005-5145 | United States | micro | |
| Barreled Souls Brewing Company LLC | 743 Portland Rd | Saco | Maine | 04072-9005 | United States | micro | |
| Battery Steele Brewing | 1 Industrial Way Ste 12 | Portland | Maine | 04103-1072 | United States | micro | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| Island Dog Brewing | 125 John Roberts Rd | South Portland | Maine | 04106-3295 | United States | micro | |
| Lake St George Brewing Company | 4 Marshall Shore Rd | Liberty | Maine | 04949 | United States | micro | |
| Lone Pine Brewing Company | 219 Anderson St #4 | Portland | Maine | 04101-1400 | United States | micro | |
| Lost Valley Brewing Co | 200 Lost Valley Rd | Auburn | Maine | 04210 | United States | micro | |
| Machias River Brewing Company | 86 Main St | Machias | Maine | 04654-1150 | United States | micro | |
| Maine Beer Co | 525 US Route 1 | Freeport | Maine | 04032-7009 | United States | micro | |
| Marsh Island Brewing Company | 2 Main St | Orono | Maine | 04473-4004 | United States | micro | |
| Marshall Wharf Brewing Co | 40 Marshall Wharf | Belfast | Maine | 04915-6835 | United States | micro | |
| Mason's Brewing Company | 15 Hardy St | Brewer | Maine | 04412-2207 | United States | micro | |
| Mast Landing Brewing Company | 920 Main St | Westbrook | Maine | 04092-2862 | United States | micro | |
| Moderation Brewing | 103 Maine St | Brunswick | Maine | 04011-2012 | United States | micro | |
| Monhegan Brewing Co. | 1 Boody Lane | Monhegan | Maine | 04852 | United States | micro | |
| North Haven Brewing Company | 2 Iron Point Rd # 2 | North Haven | Maine | 04853 | United States | micro | |
| Nuts and Bolts Brewing | 10 Westpoint Ln Bldg 10 Ste 204 | Biddeford | Maine | 04005 | United States | micro | |
| Oak Pond Brewing Co | 101 Oak Pond Rd | Skowhegan | Maine | 04976-4602 | United States | micro | |
| Odd Alewives Farm Brewery | 99 Old Rte One | Waldoboro | Maine | 04572 | United States | micro | |
| One Eye Open Brewing Company | 41 Fox Street Shed A | Portland | Maine | 04101-2538 | United States | micro | |