The phrase "a private security industry" is correct and usable in written English.
It can be used when discussing the sector that provides security services, typically by private companies rather than government entities.
Example: "The growth of a private security industry has led to increased competition and innovation in the field of safety and protection."
Alternatives: "a private security sector" or "the private security market".
We spend billions a year on a private-security industry that profits from our crime fears, and we spend billions more on a recession proof prison-industrial complex".
The most egregious consequence of the unpopular military presence is that it has justified the rise of a highly lucrative private security industry whereby earthquake emergency relief funds are spent on bodyguards and bunkers for humanitarian workers rather than meeting the basic needs of the earthquake victims.
After leaving the K.G.B., he became a major player in the private security industry.
The increase in drug-related violence in the last decade has coincided with a boom in Mexico's private security industry.
Fear of crime has led to a boom in South Africa's private security industry since Apartheid ended 20 years ago.
"Learning lessons from previous Games we have offered opportunities to a wide range of compliant providers from the private security industry to contribute to delivering a safe and enjoyable Games experience for athletes, officials and spectators," said Glasgow 2014 in a statement.
The company had been founded in the early nineteen-fifties by George Wackenhut, a former F.B.I. agent who pioneered the private security industry, gaining contracts from corporations and federal agencies, establishing close ties with the F.B.I. and the C.I.A.
The same individuals will just be wearing new uniforms, working for Triple Canopy, the firm that won the State Department's contract after Iraqi officials refused to grant Blackwater an operating license, according to American diplomats, private security industry officials and Iraqi officials.
