| Ellensburg Bulls |
Ellensburg, Washington |
Mount Rainier Professional Baseball League |
professional |
active |
| Glacier Grizzlies |
Whitefish, Montana |
Mount Rainier Professional Baseball League |
professional |
active |
| Greys Harbor Gulls |
Hoquiam, Washington |
Mount Rainier Professional Baseball League |
professional |
active |
| Moses Lake Rattlesnakes |
Moses Lake, Washington |
Mount Rainier Professional Baseball League |
professional |
defunct |
| Oregon City Mud Turtles |
Oregon City, Oregon |
Mount Rainier Professional Baseball League |
professional |
active |
| Skagit Valley Lumberjacks |
Mount Vernon, Washington |
Mount Rainier Professional Baseball League |
professional |
active |