Captain Roland H. Baldwin, promoted first sergeant September 16, 1862; promoted to captain February 3, 1863; resigned November 1, 1864.

Captain Almer B. Paine, promoted from private to sergeant July 1, 1862; first sergeant March 1, 1863; first lieutenant January 6, 1865; captain June 28, 1865; mustered out with company.

First Lieutenant Hamblin Gregory, resigned January 26, 1863, disability.

First Lieutenant Rush Griswold, promoted to corporal January 1, 1862; sergeant May 1, 1862; first sergeant June 16, 1864; first lieutenant January 6, 1865; mustered out with company.

First Lieutenant Charles W. Kellogg, promoted to second lieutenant June 20, 1862; first lieutenant January 26, 1863; captain company K April 24, 1865.

Second Lieutenant James B. Storer, promoted second lieutenant April 13, 1862; first lieutenant and adjutant January 26, 1863; to captain October 12, 1864.

Second Lieutenant Gurley G. Crane, promoted second lieutenant March 1, 1863; first lieutenant May 25, 1864; discharged July 10, 1864.

Sergeant Harrison L. Martindale, discharged for disability May 10, 1862.

Sergeant Joseph Jerome, discharged for wounds September 16, 1862.

Sergeant Marcus E. Gregory, discharged Aug. 1, 1862.