| City | Library |
| Addison | Mayhew Library Association |
| Albion | Albion Public Library |
| Andover | Andover Public Library |
| Appleton | Mildred Stevens Williams Memorial Library |
| Ashland | Ashland Community Library |
| Auburn | Auburn Public Library |
| Augusta | Lithgow Public Library |
| Augusta | Maine State Library |
| Bangor | Bangor Public Library |
| Bar Harbor | Jesup Memorial Library |
| Bath | Patten Free Library |
| Belfast | Belfast Free Library |
| Biddeford | McArthur Library Association |
| Blue Hill | Blue Hill Public Library |
| Bradford | John B. Curtis Free Public Library |
| Brewer | Brewer Public Library |
| Bridgton | Bridgton Public Library |
| Brunswick | Brunswick Public Library Association |
| Calais | Calais Free Library |
| Caribou | Caribou Public Library |
| Carmel | Simpson Memorial Library |
| Castine | Witherle Memorial Library |
| Corinna | Stewart Free Library |
| Corinth | Atkins Memorial Library |
| Cranberry Isles | Great Cranberry Library |
| Damariscotta | Skidompha Public Library |
| Denmark | Denmark Public Library |
| Dexter | Abbott Memorial Library |
| Dixfield | Ludden Memorial Library |
| Dover-Foxcroft | Thompson Free Library |
| Dresden | Bridge Academy Public Library |
| Eastport | Eastport Public Library Association |
| Fairfield | Lawrence Public Library |
| Farmington | Farmington Public Library |
| Gardiner | Gardiner Public Library |
| Greenville | Shaw Public Library |
| Guilford | Guilford Memorial Library |
| Harrington | Harrington Library Association |
| Harrison | Caswell Public Library |
| Hiram | Soldiers Memorial Library |
| Houlton | Cary Library |
| Islesboro | Alice L. Pendleton Library |
| Jackman | Jackman Library Association |
| Kingfield | Webster Free Library |
| Lewiston | Lewiston Public Library |
| Liberty | Liberty Library Association |
| Lincoln | Lincoln Memorial Library |
| Livermore | Livermore Public Library |
| Livermore Falls | Treat Memorial Library |
| Long Island | Long Island Community Library |
| Lubec | Lubec Memorial Library |
| Machias | Porter Memorial Library |
| Mars Hill | Walter T. A. Hansen Memorial Library |
| Mexico | Mexico Free Public Library |
| Milbridge | Milbridge Public Library |
| Monson | Monson Public Library |
| Mount Vernon | Dr. Shaw Memorial Library |
| New Sharon | New Sharon Town Library |
| North Jay | Jay-Niles Memorial Library |
| North New Portland | New Portland Community Library |
| Norway | Norway Memorial Library |
| Oakland | Oakland Public Library |
| Old Town | Old Town Public Library |
| Orono | Orono Public Library |
| Otisfield | Bolsters Mills Village Library Association |
| Patten | Veterans Memorial Library |
| Pittsfield | Pittsfield Public Library |
| Portland | Portland Public Library |
| Presque Isle | Turner Memorial Library-Presque Isle |
| Prospect Harbor | Dorcas Library Association |
| Rangeley | Rangeley Public Library |
| Rumford | Rumford Public Library |
| Sabattus | Town Square Community Library |
| Saco | Dyer Library Association |
| Sangerville | Sangerville Public Library |
| Searsmont | Searsmont Town Library |
| Searsport | Carver Memorial Library |
| Skowhegan | Skowhegan Free Public Library |
| South Paris | Paris Public Library |
| South Thomaston | South Thomaston Public Library |
| Southwest Harbor | Southwest Harbor Public Library |
| Springvale | Springvale Public Library Association |
| Steuben | Henry D. Moore Library |
| Stonington | Stonington Public Library |
| W Sullivan | Frenchmans Bay Library |
| Washburn | Washburn Memorial Library |
| Waterville | Waterville Public Library |
| Westbrook | Walker Memorial Library |
| Whitneyville | Whitneyville Library Association, Inc. |
| Wilton | Wilton Free Public Library |
| Winslow | Winslow Public Library |
| Woodland | Woodland Public Library |