| Office. | Rank. | Name. | Residence. | Date of rank. |
| Commander-in-Chief | Governor | James O. Davidson | Madison | Jan. 1, 1905 |
| Adjutant and Inspector General | Brig. General | C. R. Boardman | Oshkosh | Jan. 4, 1897 |
| Assistant Adjutant General | Colonel | Jno. G. Salsman | Milwaukee | July 1, 1901 |
| Quartermaster and Commissary Gen. | Brig. General | Joshua Hodgins | Marinette | July 1, 1901 |
| Quartermaster | Major | C. R. Williams | Camp Douglas | April 2, 1897 |
| Commissary of Subsistence | Captain | Edwin T. Markle | Fond du Lac | April 5, 1892 |
| Surgeon General | Brig. General | John B. Edwards | Mauston | Jan. 3, 1899 |
| Paymaster | Major | Marcus C. Bergh | Madison | July 23, 1901 |
| Additional Paymaster | Captain | Gordon H. McNeil | Fond du Lac | April 30, 1887 |
| Gen. Insp. of Small Arms Practice | Colonel | Winfield W. Warren | Tomah | Jan. 2, 1906 |
| Office. | Rank. | Name. | Residence. | Nativity. |
| Adjutant General | Brig. General | Chas. R. Boardman | Oshkosh | Wisconsin |
| Assistant Adjutant General | Colonel | John G. Salsman | Milwaukee | Wisconsin |
| Clerk National Guard Division | ----- | Mary W. Priestley | Mineral Point | Wisconsin |
| Clerk Pension Division | ----- | Chas. H. Russell | Berlin | Vermont |
| Clerk | ----- | John M. Williams | Belleville | New York |
| Stenographer | ----- | Earl S. Driver | Darlington | Wisconsin |
| Office. | Rank. | Name. | Residence. | Nativity. |
| Quartermaster General and Chief of Ordinance | Brig. General | Joshua Hodgins | Marinette | Canada |
| Quartermaster and Acting Ordinance Officer | Major | C. R. Williams | Camp Douglas | Wisconsin |
| Quartermaster Sergeant | ----- | Edward S. Burroughs | Eau Claire | Wisconsin |
| Office. | Rank. | Name. | Residence. | Date of rank. |
| Surgeon General | Brig. General | John B. Edwards | Mauston | Jan. 2, 1899 |
| Surgeon | Major | Edward H. Grannis | Menomonie | June 15, 1899 |
| Surgeon | Major | Gilbert E. Seaman | Milwaukee | Mar. 13, 1905 |
| Surgeon | Major | Edgar C. Barnes | Ripon | July 29, 1906 |
| Assistant Surgeon | Captain | Charles F. King | Hudson | July 1, 1893 |
| Assistant Surgeon | Captain | William J. Cronyn | Milwaukee | Jan. 23, 1895 |
| Assistant Surgeon | Captain | Daniel S. McArthur | La Crosse | Dec. 16, 1901 |
| Assistant Surgeon | Captain | Geo. N. Hidershide | Arcadia | July 19, 1903 |
| Assistant Surgeon | First Lieutenant | J. W. Frew | Milwaukee | Sept. 19, 1904 |
| Assistant Surgeon | First Lieutenant | John Dunn | Whitewater | Mar. 29, 1905 |
| Assistant Surgeon | First Lieutenant | Chas. H. Stoddard | Milwaukee | June 17, 1905 |
| Assistant Surgeon | First Lieutenant | James R. Scott | Appleton | Feb. 1, 1906 |
| Assistant Surgeon | First Lieutenant | W. A. Gordon, Jr. | Oshkosh | Mar. 12, 1906 |
| Office. | Rank. | Name. | Residence. | Date of rank. |
| Military Secretary | Colonel | Oliver G. Munson | Madison | Jan. 2, 1906 |
| Aide-de-camp | Colonel | J. Watson Stephenson | Marinette | June 26, 1901 |
| Aide-de-camp | Colonel | F. C. Spensley | Madison | July 7, 1904 |
| Aide-de-camp | Colonel | Hugh Lewis | Madison | Jan. 2, 1905 |
| Aide-de-camp | Colonel | George M. Neckerman | Madison | Jan. 7, 1907 |