| Company | Primary Place of Recruitment | Earliest Captain |
| A | Posey and Vanderburgh counties | Sylvanus Milner |
| B | Gibson, Knox, Posey and Vanderburgh counties | Thomas G. Williamson |
| C | Bartholomew, Jackson, Jennings and Warren counties | Joseph W. Swift |
| D | Switzerland County | William Mead |
| E | Clark County | John W. Bradburn |
| F | Daviess, Gibson, Knox, Pike, Vanderburgh and Warrick counties | Ashbury Hunter Alexander |
| G | Dubois, Gibson, Spencer, Vanderburgh and Warrick counties | William Jones Jr. |
| H | Jefferson County | George R. Mitchell |
| I | Monroe County | Isaac Shelby Buskirk |
| K | Bartholomew, Gibson, and Posey counties | Dewitt C. James |
| L | Bartholomew, Jennings, and Lawrence counties | Matthew Gaffney |
| M | Dubois, Pike, Spencer, Vanderburgh and Warrick counties | Morman Fisher |
| Date | Battle or Engagement of Service |
| June 1 – November 26, 1864 | Duty at Pulaski, Tennessee, and Decatur, Alabama, guarding Northern Alabama Railroad by detachments |
| September 2, 1864 | Action at Elk River |
| September 25, 1864 | Sulphur Branch Trestle |
| September 26, 1864 | Richland Creek, near Pulaski, Tennessee |
| September 26 – 27, 1864 | Repulse of Forest's attack on Pulaski, Tennessee |
| October 1–2, 1864 | Athens, Tennessee |
| October 26 – 29, 1864 | Murfreesboro, Tennessee |
| November 26, 1864 | Moved to Nashville, Tennessee |
| December 1, 1864 | A Detachment at Decatur, Alabama - Siege of Decatur |
| December 5 – 17, 1864 | A Detachment moved to Murfreesboro, Tennessee, and participated in the Siege of Murfreesboro |
| December 5–8, 1864 | "The Cedars" |
| December 13 – 14, 1864 | Owen's Cross Roads |
| December 15 – 16, 1864 | Battle of Nashville, Tennessee |
| December 17 – 28, 1864 | Pursuit of Hood to the Tennessee River |
| December 17, 1864 | Franklin and Hollow Tree Gap |
| December 25 – 26, 1864 | Sugar Creek, Pulaski |
| December 27 – 28, 1864 | Decatur, Alabama |
| December 29, 1864 | Pond Springs, Alabama |
| December 31, 1864 | Russellsville |
| February, 1865 | Detachments brought together |
| February 12 – March 22, 1865 | Moved to Vicksburg, Mississippi; then to New Orleans, Louisiana, and to Mobile Bay, Alabama |
| March 22 – April 12, 1865 | Campaign against Mobile and its defenses |
| March 26 – April 9, 1865 | Siege of Spanish Fort and Fort Blakeley |
| April 12, 1865 | Capture of Mobile, Alabama |
| April 13 – 20, 1865 | March to Montgomery, Alabama |
| June – August 1865 | March to Columbus and Vicksburg, Mississippi, and Provost duty in Holmes and Attalla Counties |
| August 31, 1865 | Mustered out at Vicksburg, Mississippi |