| Jack Russell's Steakhouse and Brewery / Maine Coast Brewing Co. | 102 Eden St | Bar Harbor | Maine | 04609-1106 | United States | brewpub | |
| Kennebec River Brewery | 1771 US Rte 201 | West Forks | Maine | 04985-0100 | United States | brewpub | |
| Kennebunkport Brewery / Federal Jacks | 8 Western Ave Ste 6 | Kennebunk | Maine | 04043-7756 | United States | brewpub | |
| Lake St George Brewing Company | 4 Marshall Shore Rd | Liberty | Maine | 04949 | United States | micro | |
| Liberal Cup Public House and Brewery | 115 Water St | Hallowell | Maine | 04347-1357 | United States | brewpub | |
| Liberty Craft Brewing | 7 Coon Mountain Ln | Liberty | Maine | 04949-3654 | United States | brewpub | |
| Liquid Riot Bottling Co. | 4 Canal Plz Ste 1 | Portland | Maine | 04101-4594 | United States | brewpub | |
| 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 | |
| Lubec Brewing Co | 41 Water St | Lubec | Maine | 04652- | United States | brewpub | |
| Lucky Pigeon Brewing | | Gorham | Maine | 04038-2371 | United States | planning | |
| 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 | |
| Mainely Brews Restaurant and Brewhouse | 1 Post Office Sq Ste 302 | Waterville | Maine | 04901-6651 | United States | contract | |
| 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 | |
| Nonesuch River Brewing | 201 Gorham Rd | Scarborough | Maine | 04074-8970 | United States | brewpub | |
| North Haven Brewing Company | 2 Iron Point Rd # 2 | North Haven | Maine | 04853 | United States | micro | |
| Northern Maine Brewing Co | 22 Main St | Caribou | Maine | 04736-4163 | United States | brewpub | |
| Norway Brewing Company | 237 Main St | Norway | Maine | 04268-5913 | United States | brewpub | |
| 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 | |
| Orono Brewing Bangor Draught Room | 26 State St | Bangor | Maine | 04401 | United States | micro | |
| Orono Brewing Brewery & Draught Room | | Orono | Maine | 04473 | United States | planning | |
| Orono Brewing Company | 20 Main St | Orono | Maine | 04473 | United States | brewpub | |
| Outland Farm Brewery | | Pittsfield | Maine | 04967-5811 | United States | planning | |
| Oxbow Blending & Bottling | 49 Washington Ave | Portland | Maine | 04101 | United States | micro | |
| Oxbow Brewing Co | 274 Jones Woods Rd | Newcastle | Maine | 04553-3123 | United States | micro | |
| Peak Organic Brewing Co | 110 Marginal Way # 802 | Portland | Maine | 04101-2442 | United States | proprietor | |
| Pennesseewassee Brewing | 458 Plains Rd | Harrison | Maine | 04040-3829 | United States | micro | |
| Penobscot Bay Brewery | 279 South Main Street | Winterport | Maine | 04496-0405 | United States | micro | |
| Rising Tide Brewing Co | 103 Fox St | Portland | Maine | 04101-2539 | United States | micro | |
| Rock Harbor Brewing Co. | 5 Payne Ave | Rockland | Maine | 04841 | United States | micro | |
| Rock Harbor Pub & Brewery | 416 Main St | Rockland | Maine | 04841-3345 | United States | brewpub | |
| Run of the Mill Public House & Brewery | 100 Main St | Saco | Maine | 04072-3500 | United States | brewpub | |
| Saco River Brewing | 10 Jockey Cap Ln | Fryeburg | Maine | 04037-1428 | United States | micro | |
| Sea Dog Brewing | 1 Main St | Camden | Maine | 04843-1703 | United States | micro | |
| Sea Dog Brewing Co - Bangor | 26 Front St | Bangor | Maine | 04401-6418 | United States | brewpub | |
| Sea Dog Brewing Co - S. Portland | 125 Western Ave | S Portland | Maine | 04106-2413 | United States | brewpub | |
| Sebago Brewing Co | 48 Sanford Dr | Gorham | Maine | 04038-2646 | United States | micro | |
| Sebago Brewing Co | 616 Main St | Gorham | Maine | 04038 | United States | micro | |
| Sheepscot Valley Brewing Co | 74 Hollywood Blvd | Whitefield | Maine | 04353-3729 | United States | micro | |
| Shipyard Brew Pub Eliot | 28 Levesque Dr Ste 4 C/O Eliot Commons | Eliot | Maine | 03903-2073 | United States | brewpub | |
| Shipyard Brewing Co | 86 Newbury St | Portland | Maine | 04101-4219 | United States | regional | |