Texas Industrial Security, Inc. (TIS) is headquartered in Fort Worth with a second office in Dallas. We are a mature, dynamic, and well-managed business with a strong and experienced management team, which distinguishes us in the area of security services. Our primary business is to hire, train, equip, and deploy Security Officers to protect private and government buildings, offices, and work sites. TIS has seen steady growth since it was founded in 1969 and currently has about 350 employees in the DFW area. EEO AAP M/F/D/V. Texas PSB License C-00111