PLET has previously taught classes sponsored by the following agencies in Texas:
- Amarillo College West Campus
- Aransas Pass Police Department
- Arlington Police Department
- Austin Community College District Police
- Brazos County Sheriff's Office
- Brownsville Police Department
- Burnet Community Center
- Cedar Park Police Department
- Central Texas COG
- Collin College Law Enforcement Academy
- Coppell Police Department
- Corpus Christi Police Dept. Training Center
- Dallas County Constable Precinct 4
- Dallas Police Department
- El Paso County Sheriff's Department
- Frisco Police Department
- Garland Police Department
- Georgetown Police Department
- Guadalupe County's Sheriff's Department
- Harris County Sheriff's Training Academy
- Hidalgo-County Sheriff's Department
- Houston HIDTA
- Laredo Police Department
- McAllen Police Department
- Missouri City Police Department
- Permian-Basin Law Enforcement Academy
- Pflugerville Police Department
- Plano Police Department
- Rockport Police Department
- San Antonio Police Department
- South Texas HIDTA
- Southlake Police Department
- Tarrant County College CJ Academy
- Texarkana Police Department
- Texas Department of Public Safety
- Travis County Sheriff's Office
- University of the Incarnate World
- Victoria Police Department
- West Texas HIDTA
- Willow Park Police Department