Service On Security (SOS) is a Darwin-based supplier and manufacturer of security screens, windows and doors, serving Territorians for more than 25 years. The company supplies and installs products for residential and commercial properties across Darwin, Palmerston, Katherine and other parts of the Northern Territory, including remote locations. Its range includes ClearShield security screens, Diamond Grill and other security products, as well as glass windows and doors such as Breezway louvre windows, sliding and hinged doors, and bifold systems.

Customers can choose from a range of colours and styles designed to combine security, comfort and contemporary appearance. SOS also repairs and services existing windows and doors. Work includes replacing louvre galleries, adjusting sliding and bifold doors, servicing security doors, renewing seals and gaskets, and replacing broken glass.

The company offers consultations and quotes, and highlights local manufacturing, experienced staff and customer service. Its Winnellie showroom provides an opportunity to view security screens and related products. Service On Security supports both new installations and ongoing maintenance throughout the NT