| City | Library |
| Basin | Big Horn County Library Foundation |
| Buffalo | Johnson County Library Foundation |
| Casper | Natrona County Public Library Foundation |
| Cheyenne | Laramie County Library Foundation |
| Cheyenne | Wyoming State Library |
| Cody | Park County Library Foundation |
| Douglas | Converse County Library System |
| Gillette | Campbell County Public Library System |
| Green River | Sweetwater County Library System |
| Jackson | Teton County Library Foundation, Inc. |
| Kemmerer | Lincoln County Library Foundation, Inc. |
| Lander | Fremont County Library System |
| Laramie | Albany County Public Library Foundation, Inc. |
| Lusk | Niobrara County Library |
| Newcastle | Weston County Library Foundation |
| Rawlins | Carbon County Library System |
| Sheridan | Sheridan County Library Foundation |
| Sundance | Crook County Public Library |
| Thermopolis | Hot Springs County Library Foundation |
| Torrington | Goshen County Library Foundation |
| Wheatland | Platte County Library Foundation |