- Aberdeen, MD — 51 chapters
- Allegany County, MD — 52 chapters
- Annapolis, MD — 26 chapters
- Anne Arundel County, Maryland, MD — 231 chapters
- Baltimore County, MD — 35 chapters
- Bel Air, MD — 49 chapters
- Berlin, MD — 4 chapters
- Berwyn Heights, Maryland, MD — 42 chapters
- Bowie, MD — 36 chapters
- Brentwood, MD — 36 chapters
- Calvert County, MD — 35 chapters
- Cambridge, MD — 3 chapters
- Caroline County, MD — 49 chapters
- Carroll County, Maryland, MD — 58 chapters
- Cecil County, MD — 68 chapters
- Charles County, MD — 103 chapters
- Chesapeake, MD — 25 chapters
- Chesapeake Beach, MD — 46 chapters
- Chestertown, Maryland, MD — 56 chapters
- Cheverly, MD — 31 chapters
- Chevy Chase, MD — 3 chapters
- College Park, MD — 47 chapters
- Colmar Manor, MD — 35 chapters
- Cottage, MD — 19 chapters
- Crisfield, MD — 60 chapters
- Cumberland, MD — 28 chapters
- Delmar, MD — 69 chapters
- Denton, MD — 49 chapters
- District Heights, MD — 19 chapters
- Dorchester County, MD — 64 chapters
- Edmonston, MD — 39 chapters
- Emmitsburg, MD — 19 chapters
- Federalsburg, MD — 48 chapters
- Forest Heights, MD — 2 chapters
- Frederick, MD — 14 chapters
- Frederick County, Maryland, MD — 47 chapters
- Frostburg, MD — 19 chapters
- Gaithersburg, MD — 48 chapters
- Galena, MD — 31 chapters
- Garrett County, Maryland, MD — 57 chapters
- Glenarden, MD — 42 chapters
- Hagerstown, MD — 63 chapters
- Hampstead, MD — 33 chapters
- Hancock, MD — 39 chapters
- Harford County, MD — 62 chapters
- Havre de Grace, MD — 56 chapters
- Howard County, MD — 33 chapters
- Hyattsville, MD — 39 chapters
- Indian Head, MD — 36 chapters
- Kensington, MD — 8 chapters
- Kent County, MD — 44 chapters
- La Plata, MD — 54 chapters
- Laurel, MD — 20 chapters
- Leonardtown, MD — 39 chapters
- Lonaconing, MD — 13 chapters
- Manchester, MD — 33 chapters
- Middletown, MD — 19 chapters
- Montgomery County, Maryland, MD — 131 chapters
- Mount Airy, MD — 55 chapters
- Mount Rainier, MD — 40 chapters
- Mountain Lake Park, MD — 16 chapters
- Myersville, MD — 39 chapters
- New Carrollton, MD — 36 chapters
- New Windsor, MD — 24 chapters
- North Beach, MD — 33 chapters
- North Brentwood, MD — 31 chapters
- Oakland, MD — 40 chapters
- Ocean, MD — 54 chapters
- Pocomoke, MD — 57 chapters
- Preston, MD — 30 chapters
- Prince George's County, MD — 50 chapters
- Princess Anne, MD — 40 chapters
- Queen Annes County, MD — 40 chapters
- Ridgely, MD — 48 chapters
- Rock Hall, MD — 68 chapters
- Rockville, MD — 32 chapters
- Salisbury, MD — 18 chapters
- Seat Pleasant, MD — 51 chapters
- Smithsburg, MD — 40 chapters
- Snow Hill, MD — 56 chapters
- Somerset, MD — 21 chapters
- St. Mary's County, MD — 4 chapters
- St. Michaels, MD — 49 chapters
- Sykesville, MD — 45 chapters
- Talbot County, MD — 55 chapters
- Taneytown, MD — 45 chapters
- Thurmont, MD — 47 chapters
- University Park, MD — 18 chapters
- Upper Marlboro, MD — 14 chapters
- Walkersville, MD — 40 chapters
- Westernport, MD — 36 chapters
- Westminster, MD — 46 chapters
- Wicomico County, MD — 91 chapters
- Woodsboro, MD — 2 chapters
- Worcester County, MD — 1 chapters