
The 1st Battalion, 194th Field Artillery Regiment is a field artillery battalion of the United States Army National Guard. It is assigned to the 2nd Infantry Brigade Combat Team, 34th Infantry Division in the Iowa Army National Guard as its direct support battalion.

The 86th Field Artillery Regiment is a inactive parent field artillery regiment of the United States Army, last represented in the Vermont Army National Guard by the 1st Battalion, 86th Field Artillery Regiment. Perpetuating the Vermont Light Artillery Batteries of the American Civil War and subsequent Vermont artillery units, the regiment was organized following World War II as the 206th Field Artillery Battalion in the Vermont National Guard. The 206th saw active service in Germany with the 43rd Infantry Division during the Korean War, and became the 124th Artillery, a Combat Arms Regimental System parent regiment, in 1959. Represented by the 1st Howitzer Battalion, 124th Artillery, the regiment was renumbered as the 86th Artillery in 1964 when the 1st Battalion became the brigade artillery battalion of the 86th Armored Brigade. The 1st Battalion served in that role with the brigade for much of the rest of its existence.

The 101st Field Artillery regiment is the oldest field artillery regiment in the United States Army with a lineage dating to 13 December 1636 when it was organized as the South Regiment. It is one of several National Guard units with colonial roots and campaign credit for the War of 1812. For the first 250 years of the unit's existence it served in infantry formations.

The 103rd Field Artillery Regiment is a regiment of the United States Army. The only currently existing component is the 1st Battalion, 103rd Field Artillery Regiment, a unit of the Rhode Island National Guard. The regiment was originally constituted in 1917, but it descends from predecessor units dating back to 1801.

The 107th Field Artillery Regiment is a Field Artillery Branch regiment of the United States Army. It has been affiliated with the Pennsylvania National Guard since its formation. It appears that the regiment last formally came into existence in June 1959, when the 107th Field Artillery Battalion was reorganized as the new Regiment's 1st Battalion in line with the Pentomic (ROCID) reorganization going on at that time.

The 1st Battalion, 108th Field Artillery Regiment, 56th Stryker Brigade Combat Team, is the only direct support field artillery battalion in the only National Guard Stryker Brigade in the United States Army.

The 110th Information Operations Field Support Battalion is an information operations battalion of the United States Army and the Army National Guard.

The 112th Field Artillery Regiment is a Field Artillery Branch regiment of the New Jersey Army National Guard first formed in April 1917. In December 1941, it was the last field artillery regiment in the U.S. Army to convert from horse-drawn to truck-drawn howitzers.

The 116th Field Artillery is a regiment of the Florida Army National Guard. Currently there are two battalions; 2-116th FA is fires battalion for the 53rd Brigade Combat Team, and 3-116th (HIMARS) is part of the 164th Air Defense Artillery Brigade, both of the Florida Army National Guard.

The 119th Field Artillery Regiment, nicknamed the "Red Lions" is a Parent Field Artillery Regiment of the United States Army Regimental System (USARS) in the Michigan Army National Guard. The headquarters of the 119th Field Artillery Regiment is in Lansing, Michigan and its principal training ground is at Camp Grayling, Michigan, the largest National Guard training center in the country. The Headquarters Battery of the current 119th Field Artillery Regiment can trace its history all the way back to the First Battle of Bull Run in 1861, during the American Civil War. The history of the 119th Field Artillery Regiment as an entire regiment began on 6 November 1911 when it was organized as the 1st Battalion, Field Artillery in the Michigan National Guard.

The 1st Battalion, 121st Field Artillery is currently part of the 157th Maneuver Enhancement Brigade that is based out of Milwaukee, Wisconsin. Attached to the 1-121st is Battery A located in Hartford, Wisconsin; Battery B located in Plymouth, Wisconsin; 108th Forward Support Company located in Sussex, Wisconsin.

The 123rd Field Artillery Regiment is an active Field Artillery Branch regiment of the Illinois Army National Guard. The regiment's 2nd Battalion last served as a towed, 155mm cannon battalion assigned to the 169th Field Artillery Brigade, though administratively under the control of the 65th Troop Command.

The 125th Field Artillery Regiment is a field artillery regiment of the Minnesota Army National Guard. The regiment's 1st Battalion is the 155mm, self-propelled cannon battalion assigned to the 1st Armored Brigade Combat Team, 34th Infantry Division.

The 129th Field Artillery Regiment is a regiment of the Field Artillery Branch of the United States Army. Only the 1st Battalion is constituted as an active unit, and is assigned to the Missouri Army National Guard, with its headquarters in Maryville, Missouri, and has subordinate elements located in armories in Albany, Independence, and Chillicothe, Missouri. As a part of the Missouri National Guard, the 1st Battalion, 129th FA is a subordinate unit of the 130th Field Artillery Brigade located in Manhattan, Kansas.

The 130th Field Artillery Regiment is a United States Army field artillery regiment, represented in the Kansas Army National Guard by the 2nd Battalion, 130th Field Artillery, part of the 130th Field Artillery Brigade at Hiawatha, Kansas.

The 133rd Field Artillery Regiment is a parent field artillery regiment of the United States Army National Guard. It is currently represented in the Texas Army National Guard by the 1st, 3rd, and 4th Battalions.

The 142nd Field Artillery Regiment is a United States Army field artillery regiment currently represented in the Arkansas Army National Guard by the 1st Battalion, 142nd Field Artillery, headquartered in Bentonville, Arkansas; 2nd Battalion, 142nd Field Artillery, headquartered in Barling, Arkansas; and Battery F, 142nd Field Artillery stationed in Fayetteville, Arkansas, elements of the 142nd Field Artillery Brigade which is headquartered in Fayetteville, Arkansas. The regiment was created in 1917 from the former 2nd Arkansas Infantry. The 142nd Field Artillery shipped to France during World War I but did not see combat before the cessation of hostilities. The regiment was activated for World War II, but its battalions were redesignated as separate battalions, 1–142nd became the 936th Field Artillery Battalion, the 2–142nd became the 937th Field Artillery Battalion. The battalion's served throughout the European Theater of Operations. The battalions were activated again for the Korean War and served throughout the war. Following the Korean War, the separate battalions resumed their former designations of 1–142nd FA and 2–142nd FA. The 142nd Field Artillery Brigade, including both battalions, was activated for Operation Desert Storm. Elements of the 142nd Fires Brigade have been activated for service in Operation Noble Eagle and Operation Iraqi Freedom. The 142nd Fires Brigade was instrumental in support and recovery operations located in New Orleans, Louisiana after hurricanes Katrina and Rita devastated the Gulf Coast.

The 143rd Field Artillery Regiment is a combat arms regiment of the United States Army made up of soldiers from the California Army National Guard. Only the regiment's first battalion, a Composite fires battalion, equipped with M119A3 and M777A2 Howitzers, is still active. The 1st Battalion, 143rd Field Artillery's current mission is to shoot safely, accurately, and quickly in direct support of the 79th Infantry Brigade Combat Team. Furthermore, the battalion trains to deploy, fight, and win on the battlefield and respond effectively to any state emergency.

The 146th Field Artillery Regiment is a field artillery regiment of the Army National Guard first Constituted in 1886 as the 1st, and 2nd Regiments of Infantry.

The 148th Field Artillery Regiment is a Field Artillery Branch regiment of the Army National Guard.

The 157th Field Artillery Regiment is a United States Army Regimental System field artillery parent regiment of the United States Army National Guard, represented in the Colorado Army National Guard by the 3rd Battalion, 157th Field Artillery Regiment, part of the 169th Field Artillery Brigade at Colorado Springs.

The 158th Field Artillery Regiment is a Field Artillery regiment of the Army National Guard.

The 1st Battalion, 160th Field Artillery Regiment is headquartered in Chandler, Oklahoma. It is a part of the 45th Infantry Brigade Combat Team, Oklahoma Army National Guard.

The 168th Field Artillery Regiment was a Field Artillery Branch regiment of the Army National Guard.

The 171st Field Artillery Regiment is a military unit created from part of the "B" Battery of the 1st Battalion of the 45th infantry division of the United States Army. It was raised in 1963 and is now based at Weatherford, Oklahoma forming part of the 45th Fires Brigade of the Oklahoma Army National Guard. Remaining representatives have been engaged in US anti-terrorism campaigns.

The 1st Battalion, 194th Field Artillery Regiment is a field artillery battalion of the United States Army National Guard. It is assigned to the 2nd Infantry Brigade Combat Team, 34th Infantry Division in the Iowa Army National Guard as its direct support battalion.

The 197th Field Artillery Regiment is a regiment in the New Hampshire Army National Guard.

The 206th Field Artillery Regiment is a United States artillery regiment, currently represented in the Arkansas Army National Guard by the 1st Battalion, 206th Field Artillery, Headquartered at Russellville, Arkansas. The 1–206th FA is an element of the 39th Infantry Brigade Combat Team.

The 214th Field Artillery is a regiment in the Georgia National Guard.

The 218th Field Artillery Regiment is a Field Artillery Regiment of the United States Army, Oregon Army National Guard. With lineage tracing back to 1866, it is the oldest National Guard artillery unit west of the Mississippi River continually serving. Today, its 2nd Battalion is a part of the 41st Infantry Brigade Combat Team and is currently headquartered in Forest Grove, Oregon.

The 429th Brigade Support Battalion is a combat service support battalion of the United States Army and the Virginia National Guard. It is part of the 116th Infantry Brigade Combat Team, Virginia Army National Guard.

The 300th Field Artillery Regiment is a Field Artillery regiment of the United States Army.