Securing Your Business For You. Security Systems & Consultants - St Marys, NSW . Product: Alarms. Service: Monitoring, Patrols. Equipment: CCTV, Monitoring Systems. Hours of Operation: 24hr Emergency Service, Flexible Hours, Open 24hrs, Open 365 Days, Open Evenings, Open Late, Open Monday - Friday, Open Saturdays, Open Sundays. Service Option: Mobile Service. Payment Method: Cheques