| October 14, 1947 |
Original Constitution and By-Laws by Founding Members:
Anoka, Brooklyn Center, Columbia Heights, Crystal, Elk River, Golden
Valley, Osseo and Robbinsdale |
| July 29, 1958 |
Additional Members: |
Fridley and Coon Rapids |
| January 1, 1973 |
Additional Members: |
Brooklyn Park, New Hope, Plymouth and St. Anthony |
| July 1, 1982 |
Additional Members: |
Andover, Dayton, Maple Grove and Rogers |
| 1985 |
Additional Members: |
Medicine Lake and Hamel |
| 1995 |
Additional Members: |
Spring Lake Park, Blaine and Mounds View |
| 1998 |
Additional Members: |
Anoka /Champlin and West Metro Fire District |
| 2000 |
Additional Members: |
Minneapolis, Centennial, Ramsey, Oak Grove, Big Lake, Ham Lake and St.
Michael |
| 2001 |
Additional Members: |
Roseville, Hanover and Albertville |
| 2002 |
Additional Members: |
East Bethel |
| 2004 |
Additional Members: |
New Brighton |
