| City | Library |
| Anaconda | Hearst Free Library |
| Baker | Fallon County Library |
| Belgrade | Belgrade Community Library |
| Big Timber | Carnegie Public Library |
| Billings | Parmly Billings Library Foundation, Inc. |
| Boulder | Jefferson County Library System |
| Bozeman | Bozeman Public Library |
| Bridger | Bridger Public Library |
| Broadus | Henry A. Malley Memorial Library |
| Butte | Butte-Silver Bow Public Library |
| Cascade | Wedsworth Memorial Library |
| Chester | Liberty County Library |
| Chinook | Blaine County Library |
| Choteau | Choteau Public Library |
| Circle | George McCone Memorial County Library |
| Columbus | Stillwater County Library |
| Conrad | Conrad Public Library Foundation |
| Cut Bank | Glacier County Library |
| Darby | Darby Community Public Library |
| Deer Lodge | Wm K. Kohrs Memorial Library |
| Dillon | Dillon City Library |
| Dutton | Dutton Public Library |
| Ekalaka | Ekalaka Public Library |
| Ennis | Madison Valley Public Library |
| Fairfield | Friends of Fairfield Public Library |
| Forsyth | Rosebud County Library |
| Fort Benton | Chouteau County Library |
| Glasgow | Glasgow City-County Library |
| Glendive | Glendive Public Library |
| Great Falls | Great Falls Public Library |
| Hamilton | Bitterroot Public Library |
| Hardin | Big Horn County Public Library |
| Harlem | Harlem Public Library |
| Harlowton | Harlowton Public Library |
| Havre | Havre-Hill County Library Foundation |
| Helena | Lewis and Clark Library |
| Hot Springs | Preston Town County Library |
| Joliet | Joliet Community Library |
| Jordan | Garfield County Library |
| Kalispell | Flathead County Library |
| Laurel | Laurel Public Library |
| Lewistown | Lewistown Public Library |
| Libby | Lincoln County Public Library |
| Livingston | Livingston-Park County Public Library |
| Malta | Phillips County Library |
| Manhattan | Manhattan Community Library |
| Miles City | Miles City Public Library |
| Missoula | Missoula Public Library |
| Moore | Moore Memorial Library |
| Philipsburg | Philipsburg Public Library |
| Plains | Plains District Library |
| Plentywood | Sheridan County Library |
| Polson | Polson City Library |
| Red Lodge | Red Lodge Carnegie Library |
| Ronan | Ronan City Library |
| Roundup | Roundup Community Library |
| Saint Ignatius | Saint Ignatius Public Library |
| Scobey | Daniels County Library |
| Shelby | Toole County Library |
| Sheridan | Sheridan Public Library |
| Sidney | Sidney Public Library |
| Stanford | Judith Basin County Free Library |
| Stevensville | North Valley Public Library |
| Superior | Mineral County Public Library |
| Terry | Prairie County Library |
| Thompson Falls | Thompson Falls Public Library |
| Three Forks | Three Forks Community Library |
| Townsend | Broadwater School & Community Library |
| Twin Bridges | Twin Bridges Public Library |
| Valier | Valier Public Library |
| Virginia City | Thompson-Hickman County Library |
| West Yellowstone | West Yellowstone Public Library |
| White Sulphur Springs | Meagher County-City Library |
| Wibaux | Wibaux Public Library |
| Winnett | Petroleum County Community Library |
| Wolf Point | Roosevelt County Library |