The Tennessee State Guard is organized as a Directorate Headquarters with four Regiments:

Offices include: Directorate of Peronnel Administration; Directorate of Plans, Operations and Training; Directorate of Security and Intelligence; Directorate of Logistics; Directorate of Civil/Military Support; Directorate of Communications; Directorate of Engineering Services; Directorate of Information Services; Headquarters Commandant; Headquarters Surgeon Section; Secretary to the General Staff; Judge Advocate General Staff; Office of the Inspector General; Provost Marshal; Special Operations (SAR) Branch; TNSG Academy; Public Information Office; Chaplains.

Command Staff

1st Tennessee Regiment, HHC
Millington, TN

Deputy Commanding General - West BG Al Tripp
Regiment Commander, COL Al Dewitt
Regiment Executive Officer, LTC James Thomas
Regiment Command Sergeant Major, CSM Joe Tiscia
1st Regiment's Website
Recruiting and Retention MAJ Mason Ezzell

Battalions of the 1st Regiment:
1st Infantry Battalion, Millington; 2nd MP Battalion, Jackson; 3rd MP Battalion, Trenton; 4th MP Battalion, Paris

2nd Tennessee Regiment, HHC
Cherico Hall, TPS Complex
1200 Foster Ave., Nashville, TN
Phone: (615) 532-9560

Deputy Commanding General - West BG Al Tripp
Regiment Commander, LTC Wayne Christopher
Regiment Executive Officer, MAJ Scott Weiss
Regiment Command Sergeant Major, CSM David H. Hand
2nd Regiment's Website
Recruiting and Retention, LTC Dorsey Horne

Battalions of the 2nd Regiment:
1st MP Battalion, Lebanon; 2nd MP Battalion, Cookeville; 3rd MP Battalion, Columbia; 4th MP Battalion, Clarksville; 5th MP Battalion, Centerville

3rd Tennessee Regiment, HHC
3330 Sutherland Ave.
Knoxville , TN 37919

Deputy Commanding General - East COL George C. Arzente III
Regiment Commander, COL Steve Mead
Regiment Executive Officer, MAJ Thomas H. Reese
Regiment Command Sergeant Major, CSM Johnny Essary
3rd Regiment's Website
Recruiting and Retention, LTC Glen Frisco Email

Battalions of the Third Tennessee Regiment:
1st Infantry Battalion, Gray; 2nd MP Battalion, Jefferson City; 3rd MP Battalion, Kingsport; 4th MP Battalion, Alcoa

4th Tennessee Regiment, HHC
1801 S. Holtzclaw Ave., Chattanooga, TN 37404
(423) 634-4085

Deputy Commanding General - East COL George C. Arzente III
Regiment Commander, COL Dan Cameron
Regiment Executive Officer, LTC Hal L. Shaw
Regiment Command Sergeant Major, CSM William Jones
4th Regiment's Website
Recruiting and Retention, SFC Perry

Battalions of the Fourth Tennessee Regiment:
1st Infantry Battalion, Chattanooga; 2nd MP Battalion, Cleveland; 3rd MP Battalion, McMinnville; 4th MP Battalion, Winchester

61st Medical Command

Commander - COL (DR) William Dutton
Executive Officer - COL Thomas McCray
Command Sergeant Major - CSM Leslie Rolle

Each Regiment and Battalion has its own medical detachment and a Staff Surgeon, all of whom report to Medical Command, Nashville. Medical personnel in the TNSG are registered members of the medical profession who have chosen to lend their talents to their communities in case of need.

51st Forward Support Battalion (SEP)

Commander - LTC Tina Bailey
Executive Officer - LTC Scott Dunlop
Command Sergeant Major - 1SG Jeff Davis

The 51st FSB is a Forward Support Battalion (SEP) is headquartered in Nashville with Detachments in Nashville and Memphis.  The 51st FSB has unique skills that allow them to be “first in” in a State emergency situation. Many thousands of hours have been invested in the training and experience of Detachment personnel. The achievements of the detachment are as many and varied as are the skills and backgrounds of those involved. The FSB detachments are trained in: Communications, Combat Lifesaver, MP Training, ASP Certified, CPR/First Aid.

On order, the 51st FSB (SEP), as part of the Tennessee State Guard, deploys as an advance unit to a designated area of Tennessee, provides initial community  assessment and on order supports TNSG Regiments in area of operations.