The units were located in Erie (Co A), Bradford (Co C), Oil City (Co D), Cooperstown (Co E), Franklin (Co F), Ridgeway, Pennsylvania (Co H), Warren (Co I), and Titusville (Co K).

The 2d Battalion, 112th Infantry Regiment's heritage can be traced back to the Logan Guards (Lewistown) and the Bellefonte Fencibles, both organized in 1858.

These units combined have 17 campaign streamers from the American Civil War: Po Valley, Manassas, Antietam, Chancellorsville, Gettysburg, Atlanta, Fredericksburg, Vicksburg, the Wilderness, Spottsylvania, Cold Harbor, Petersburg, Battle of Appomattox, Virginia 1861, South Carolina 1862, Mississippi 1863, Tennessee 1863.

The second battalion's Companies G and H lost a combined total of 200 men out of 230 when they were cut off at Fismette and fended off a frontal attack on their position by a thousand German soldiers.

The regiment was awarded battle streamers marked Champagne 1918, Champagne-Marne, Aisne-Marne, Oise-Marne, Lorraine 1918, and Meuse-Argonne for its service in France.

The 112th Infantry arrived at the port of Newport News on 4 May 1919 on the troopship USS Mercury and was demobilized 6 May 1919 at Camp Dix, New Jersey.

The entire regiment called up to perform relief duties in connection with the flooding of the Schuylkill and Susquehanna Rivers in April 1936.

[4] The regiment plowed through France and Germany, participating in the capture of Paris and the bitter fighting in the Huertgen Forest.

The regiment was awarded battle streamers marked Normandy, Northern France, Ardennes-Alsace, Rhineland, and Central Europe for its service in World War II.

The 2d Battalion's Civilian Military Operations unit (S-9) oversaw the distribution of roughly $20 million to the Iraqi people in efforts to stabilize the Iraqi economy and build public works projects including police stations, schools, hospitals, fire departments, youth centers, and water pumping stations.

The Tyrone unit was mustered into federal service for World War II as Troop B, 104th Mechanized Cavalry Reconnaissance Squadron.

The other Altoona unit was mustered into federal service for home station duty during World War II as Battery B, 200th Field Artillery.

Civil War silver bands: Battle streamers: Operation Iraqi Freedom Unit decoration: Presidential Unit Citation, 16–23 Dec 1944 112th Infantry Civil War silver bands: Po Valley-Manassas-Antietam-Chancellorsville-Gettysburg-Atlanta-Fredericksburg-Vicksburg-Wilderness-Spotsylvania-Cold Harbor-Petersburg-Appomattox-Virginia 1861-South Carolina 1862-Mississippi 1863-Tennessee 1863 Battle streamers: