SIS is a provider of retail loss prevention, executive protection and threat assessment services... Read more
Security Industry Specialists Founder & CEO: John Spesak

Founder & CEO

John Spesak

CEO Approval Rating

69/100

Est. Annual Revenue
$100-500M
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Est. Employees
5.0-10K
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Security Industry Specialists Competitors

1Universal Services of America
2U.S. Security Associates
3Gavin de Becker & Associates
4MPS Security
5GCA Services
6Securitas
7G4S
8Whelan Security
9Securitas Global Risk Solutions
10On Guard Security

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