Name
| Road | City | County |
| Basignani Winery, Ltd. | 15722 Falls Rd | Sparks Baltimore | Piedmont Plateau |
| Black Ankle Vineyards | 14463 Black Ankle Rd | Mount Airy Frederick | Piedmont Plateau |
| Boordy Vineyards, Inc. | 12820 Long Green Pike | Hydes Baltimore | Piedmont Plateau |
| Bordeleau Winery | 3155 Noble Farm Rd | Eden Worcester | Eastern Shore |
| Cassinelli Winery & Vineyards | 3830 Church Hill Rd | Church Hill Queen Annes | Eastern Shore |
| Cead Mile Failte | 19860 Pear Hill Rd | Leonardtown Saint Marys | Southern Plain |
| Chapel Cellars | 47414 Route 584 | St Marys City Saint Marys | Southern Plain |
| Costa Ventosa Llc | 9031 Whaleyville Rd | Whaleyville Worcester | Eastern Shore |
| Costa Ventosa Llc | 18125 Comus Rd | Dickerson Montgomery | Piedmont Plateau |
| Cove Point Winery | 755 Cove Point Rd | Lusby Calvert | Southern Plain |
| Cygnus Wine Cellars | 3130 Long St | Manchester Carroll | Piedmont Plateau |
| Deep Creek Cellars, Inc. | 177 Frazee Ridge Rd | Friendsville Garrett | Western Mountain |
| Dejon Vineyards | 5300 Hydes Rd | Hydes Baltimore | Piedmont Plateau |
| Detour Vineyard And Winery, Inc. | 7933 Forest Stream Club Rd | Detour Carroll | Piedmont Plateau |
| Diageo Americas Supply, Inc. | 5001 Washington Blvd | Baltimore Baltimore | Piedmont Plateau |
| Dove Valley, Llc | 645 Harrison Rd | Rising Sun Cecil | Eastern Shore |
| Elk Run Vineyards | 15113 Liberty Road | Mt.Airy | Piedmont Plateau |
| Far Eastern Shore Winery | 7073 Dogwood Ter | Easton Talbot | Eastern Shore |
| Fiore Winery | 3026 Whiteford Rd | Pylesville Harford | Piedmont Plateau |
| Frederick Cellars | 221 N East St | Frederick Frederick | Piedmont Plateau |
| Fridays Creek Winery | 3485 Chaneyville Rd | Owings Calvert | Southern Plain |
| Galloping Goose Vineyards, Llc | 4326 Maple Grove Rd | Hampstead Carroll | Piedmont Plateau |
| Harford Vineyard, Llc | 1311 W Jarrettsville Rd | Forest Hill Harford | Piedmont Plateau |
| Knob Hall Winery | 14108 St. Paul Rd | Clear Spring Washington | Western Mountain |
| Layton's Chance | 4225 New Bridge Rd | Vienna Dorchester | Eastern Shore |
| Legends Vineyard | 521 Asbury Rd | Churchville Harford | Piedmont Plateau |
| Liberty Tavern | 15113 Liberty Rd | Mount Airy Frederick | Piedmont Plateau |
| Linganore Wine Cellars | 13601 Glissans Mill Rd | Mount Airy Frederick | Piedmont Plateau |
| Little Ashby Vineyards | 27549 Ashby Dr | Easton Talbot | Eastern Shore |
| Loew Vineyards | 14001 Liberty Road | Mt.Airy | Piedmont Plateau |
| Mark Cascia Vineyards | 1200 Thompson Creek Rd | Stevensville Queen Annes | Eastern Shore |
| Montebello Brands, Inc. | 1919 Willow Spring Rd | Baltimore Baltimore | Piedmont Plateau |
| Mount Felix Winery | 2000 A Level Rd | Havre De Grace Harford | Piedmont Plateau |
| Musa Inc. | 4201 Pulaski Hwy | Baltimore Baltimore City | Piedmont Plateau |
| Orchid Cellar Inc | 15184 Roddy Rd | Thurmont Frederick | Piedmont Plateau |
| Penn Oaks Winery | 14607 Riggs Meadow Dr | Cooksville Howard | Piedmont Plateau |
| Penn Oak's Winery | 11 Midhurst Rd | Silver Spring Montgomery | Piedmont Plateau |
| Perigeaux Vineyards And Winery | 8650 Mackall Rd | St Leonard Calvert | Southern Plain |
| Port Of Leonardtown Winery | 23190 Newtowne Neck Rd | Leonardtown Saint Marys | Southern Plain |
| Running Hare Vineyard | 150 Adelina Rd | Prince Frederick Calvert | Southern Plain |
| Serpent Ridge Vineyard | 2962 Nicodemus Rd | Westminster Carroll | Piedmont Plateau |
| Solomons Island Winery | 515 Garner Ln | Lusby Calvert | Southern Plain |
| St. Michaels Winery | 605 S Talbot St | St Michaels Talbot | Eastern Shore |
| Sugarloaf Mountain Vineyard | 18125 Comus Rd | Dickerson Montgomery | Piedmont Plateau |
| Terrapin Station Winery | 80 Ricketts Mill Rd | Elkton Cecil | Eastern Shore |
| Thanksgiving Farm | 195 Harwood Rd | Harwood Anne Arundel | Southern Plain |
| The Loew Vineyards, Inc. | 14001 Liberty Rd | Mount Airy Frederick | Piedmont Plateau |
| Tilmon's Island Winery | 755 Millington Rd | Sudlersville Queen Annes | Eastern Shore |
| Woodhall Vineyards And Wine Cellars, Inc. | 17912 York Rd | Parkton Baltimore | Piedmont Plateau |
