| Co. | Organized | Reorg. | Location | Strength Sept. 30, 1902 | Capt. | First Lieut. | Second Lieut. |
| A | May 15, 1875 | May 5, 1899 | Neillsville | 63 | H. W. Klopf | F. Burnett | A. C. Martin |
| B | Aug. 1, 1873 | May 4, 1899 | La Crosse | 53 | F. Schultz | J. W. Simkey | P. J. Wendling |
| C | June 18, 1887 | May 10, 1899 | Hudson | 67 | W. Y. Burton | H. Upton | John M. Ryan |
| D | Oct. 11, 1875 | May 1, 1899 | Mauston | 68 | C. C. Wetherby | C. C. Remington | Henry J. Lyon |
| E | July 25, 1898 | ----- | Eau Claire | 63 | E. S. Pearsall | T. W. Gruber | C. W. Dinger |
| F | June 23, 1877 | May 3, 1899 | Portage | 73 | ----- | Guy Goodell | L. O. Mueller |
| G | Dec. 30, 1882 | May 4, 1899 | Wausau | 64 | H. J. Abraham | E. I. Lucas | O. Abraham |
| H | Jan. 16, 1887 | May 9, 1899 | Menomonie | 59 | M. F. Swant | ----- | ----- |
| I | Nov. 29, 1895 | May 27, 1899 | West Superior | 68 | E. Rossitter | P. Clemens | R. A. Brooks |
| K | May 28, 1884 | May 2, 1899 | Tomah | 64 | Arthur E. Winter | Max P. Currius | C. R. Soule |
| L | July 15, 1896 | May 1, 1899 | Sparta | 56 | R. B. McCoy | O. L. Arnold | ----- |
| M | Dec. 28, 1892 | May 3, 1899 | La Crosse | 68 | C. H. Rawlinson | G. H. Hale | F. H. Fowler |
| Rank. | Name. | Residence. | Date of Rank. |
| Colonel | Orlando Holway | La Crosse | June 12, 1899 |
| Lieutenant Colonel | Julius E. Kirchels | La Crosse | June 10, 1899 |
| Majors | Randolph A. Richards | Sparta | Oct. 19, 1897 |
| Joseph M. Ballard | Eau Claire | June 11, 1899 | |
| John W. Hommel | Neillsville | June 12, 1899 | |
| Adjutant -- Captain | Marshall Cousins | Eau Claire | June 17, 1899 |
| Quartermaster -- Captain | John Turner | Mauston | Feb. 14, 1895 |
| Commissary -- Captain | William H. Becker | Menomonie | June 4, 1901 |
| Chaplain -- Captain | Charles E. Butters | Viroqua | Oct. 1, 1898 |
| Battalion Adjutants -- 1st Lieutenants | Arthur De Groff | Sparta | Jan. 25, 1902 |
| Percy C. Atkinson | Eau Claire | July 21, 1902 | |
| Daniel L. Remington | Mauston | July 26, 1902 | |
| Battalion Quartermasters and Commissaries -- 2nd Lieutenants | Fred M. Foster | Sparta | July 20, 1901 |
| Henry Hallauer | La Crosse | Aug. 11, 1902 | |
| W. A. Grimmer | Mauston | July 6, 1904 |