10 Biggest Private Security Companies that Are Hiring

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10. ADT

Who doesn’t have an ADT alarm security system or have never heard of them? In these parts of the world, you may be far from the majority as ADT’s security systems are everywhere.

They were founded in 1874 and since then, have established themselves as trustful and quality security systems. Same as Allied Universal, their reach does not go beyond North America (that includes the US and Canada), but they still deserve to be on our list. They have a workforce of almost 17,000 employees, according to their LinkedIn account and their career website has numerous opportunities.

10 Biggest Private Security Companies that Are Hiring

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