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Nexum is a Chicago, IL-based company in the Business Services sector.
NPI Security Services is a Urbandale, IA-based company in the Business Services sector.
Royal Investigation and Patrol is a San Leandro, CA-based company in the Business Services sector.
Shields Of Honor is a Lanham, MD-based company in the Business Services sector.
Whelan Security Co is one of the leading companies in the Business Services sector.