On-Site Security Patrol Services LLC, is licensed with the Texas Department of Public Safety as both a Private Security and Private Investigations contractor. The company Holds a class "C" combination license with the Texas Private Security Board, and provides uniformed security guards and plain clothes investigators to large corporations and small businesses throughout the State of Texas. DPS License Number C14453. On-Site Security Training Academy is also a State licensed occupational firearms training school. Texas DPS license number F08171501 - We provide level 3 & 4 armed security officers training and certification. We are also a state licensed continued education school. Texas DPS license number Y28358901 We provide continued education training classes for owner / managers of state licensed private security companies.