The World's Largest Security Services Company. Alerting Systems & Services . Service: Installation, Maintenance. Hours of Operation: 24hr Emergency Service, Open Monday - Friday. Payment Method: Bpay, Cheques, Diners Club, Direct Debit, EFT, EFTPOS, Mastercard, Money Order, Visa. Service Option: Free Consultations. Kind: Medical, Monitoring. Type: Commercial, Industrial, Residential. Assurance: Guaranteed, Licensed