| Company organized: September 5, 1885 |
Company motorized: September 5, 1885 |
| Company disbanded: December 31, 1894 |
Company reorganized: |
| Company disbanded: August 4, 1908 |
Company reorganized: January 1, 1909 |
| Company disbanded: January 6, 1930 |
Company reorganized: January 9, 1930 |
| Company disbanded: December 11, 1998 |
Company reorganized: |
| Shop # | Description | Assigned Dates |
|---|---|---|
| Doyle G-1 | 1881 Unknown shipbuilder/C.F. Elmes 3000/0 (Fireboat "Alpha") | 09/05/1885 - 11/28/1886 |
| G-1 | 1886 Miller Bros./C.F. Elmes 3810/0 (Fireboat "Geyser") | 11/29/1886 - 05/31/1891 |
| Doyle G-3 | 1889 C.F. Elmes 5000/0 (Fireboat "Yosemite") | 06/01/1891 - 09/12/1894 |
| Doyle G-3 | 1889 C.F. Elmes 5000/0 (Fireboat "Yosemite") | 11/30/1894 - 01/13/1899 |
| G-2 | 1898 South Chicago Ship Building Co./American Fire Engine Co. 10000/0 (Fireboat "Illinois") | 01/14/1899 - 08/03/1908 |
| G-3 | 1909 I.P. Morris/Manitowoc Shipbuilding Co. 9000/0 (Fireboat "Graeme Stewart") | 04/01/1909 - 01/06/1930 |
| G-3 | 1909 I.P. Morris/Manitowoc Shipbuilding Co. 9000/0 (Fireboat "Graeme Stewart") | 01/09/1930 - 12/22/1932 |
| G-4 | 1909 I.P. Morris/Manitowoc Shipbuilding Co. 9000/0 (Fireboat "Joseph P. Medill" I) | 12/23/1932 - 05/06/1934 |
| G-2 | 1898 South Chicago Ship Building Co./American Fire Engine Co. 10000/0 (Fireboat "Illinois") | 05/07/1934 - 11/14/1934 |
| G-3 | 1909 I.P. Morris/Manitowoc Shipbuilding Co. 9000/0 (Fireboat "Graeme Stewart") | 11/15/1934 - 05/04/1937 |
| G-5 | 1937 DeFoe Boat & Motor Works 7500/0 (Fireboat "Fred A. Busse") | 05/04/1937 - 12/01/1949 |
| G-6 | 1949 Christie Corporation/DeFoe Boat Works 12000/0 (Fireboat "Joseph P. Medill" II) | 12/02/1949 - 12/11/1998 |