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Plant Engineering Services is a Corunna, IN-based company in the Business Services sector.
5 Diamond Protection is a Santa Ana, CA-based company in the Business Services sector.
United Security Services is a Chicago, IL-based company in the Business Services sector.
Citadel Security Systems Inc is a Braselton, GA-based company in the Business Services sector.
OMNIPLEX World Services Corporation is a trusted provider of protective security services and delivers high quality background investigations and personnel security to government agencies located throughout the United States. As one of the fastest growing security enterprises in the country with a staff of over 2,500 professionals, our vision is to become the leader in delivering innovative security solutions for our customers.