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NOX Public Safety is a minority woman owned and operated company, established in June of 2019 by Nancy and Xavier Olivarez. NOX Public Safety holds several certifications including DBE, HABE, SBE, WBE and is HUB certified. NOX Public Safety Specializes in Traffic Control, Lane Closures and Traffic Control Devices in the Work Zone. We are committed to running a service focused company with an emphasis on customer care, satisfaction and safety.