Over the years the Ruswin operation has progressed from a business specialising in general locksmithing to complete systems integration embracing all digital electronic security products and their applications. Ruswin’s current company structure comprises mechanical security, electronic security, alarm monitoring, security design, system integration.

They are in the business of building businesses so everyone can thrive whoever and wherever users are. Their flagship events will always be their pride and focus, but they're now building on these, creating year-round communities with shared passions and purpose, designed to help businesses and people grow continually.

SPIRIT WORLD GROUP established its unmanned systems technology subsidiary Spirit Aeronautical Systems Ltd., (SAS) in July 2020. The rationale behind this decision was the realisation of the ever-increasing potential and dynamics in the global and domestic market for unmanned systems and their applications, which reach almost every aspect of modern industry and trade.

SSDTL is one of the leading importers, installer (door to door service) and software development company in baangladesh. It provides access control,CCTV, car protection, fire protection, ID card, software, etc.

S. V. R. Marine is engaged in importing of new marine equipments, exporting and refurbishing all kinds of used and unused marine equipments. It has sole dealership of brands of fire extinguishers and fire fighting products the company group leaders in safety and security products worldwide.

S3 Integration is a US based company that provides comprehensive integrated security management solutions and services. The company offers professional services including planning, designing, implementation, integration and maintenance of state of the art security systems to many business operating applications. S3 offers access control, CCTV, perimeter protection, intrusion detection, alarm devices, fire alarms, photo ID badging, intercom, etc.

SAB is a focused supplier for many applications including: automation, aerospace, automotive, food and beverage, material handling, packaging, medical, high temperature, and robotics, providing cable, cord grips, grounding solutions, and thermocouple solutions that meet, exceed, and set new standards.

SABTELCOM Sarl Cameroon aims to give customers the best service for their investment and expectations. They offer services in telecommunication systems, digital & IP based security systems, P.A.T testing (Portable Appliance Testing and Certification), data structured cabling and certification solutions, CCTV installation and maintenance systems, fibre optic cabling, wireless installations, moves & changes, and new installations.

SAFE Electronics, Inc. has been Nevada’s foremost in design-build fire alarms, special hazard and security systems. They design low voltage security systems for industrial, commercial, institutional, residential, hotel, gaming and manufacturing.

Safe Life was founded in 2007. "Safe Life" Ltd. produces and sells fire-fighting equipment, fire alarm and gas fire-fighting systems, instals video surveillance systems, fire protection systems and equipment, maintenance and repair, installation of equipment and systems for houses, government offices and commercial facilities. Safe Life Ltd. is a distributor of many well-known European companies in Azerbaijan.

SAFE/SAINI is proud to complete successful 10 years with growth of more than 15% every year and now is amongst the India’s largest system integrator and providers of fire fighting equipment, fire alarm & protection as well gas based suppression systems and CCTV & access and BMS safety engineering solutions; established with a vision to be the world’s most recognised fire protection & security system company.

Safe Side Security, Inc. was established in Davis, California in 1983. Safe Side Security provides design, installation, monitoring, servicing and inspections of security and fire alarm systems. Safe Side Security aids in providing each customer with installed, user-friendly system tailored to fit their needs.

Safe Simple Secure Ltd offer a fresh, dynamic and innovative approach to home security and business security in Edinburgh, Glasgow and across central Scotland. Founded in 2006, the company provided security solutions for thousands of residential and commercial properties.

Safe is a online supplier of safes and locks in the UK. Stocking the biggest names in security including Yale, Chubb and Phoenix, the online security retailer offers everything from fireproof cabinets and safes to alarms, locks and lockers, home alarm systems and CCTV cameras.

SafeDefend prepares, notifies and protects by empowering people to take action in active shooter or other violent situations. The company offers easy-to-use tools to increase survival chances, support law enforcement and respond to medical emergencies.

Safe house Security is a well known name in the automation industry as providers of security and safety systems for your homes. Safe house has developed their own security products like video door phones and automation systems.

Safetech Systems Ltd. specialises in fire, sound and security systems for domestic and commercial purposes all under one roof. The company customer base covers applications from basic domestic systems through to retail, construction, commerce, government and military installations. Based in UK, Safetech designs installs, commissions, and maintains security systems.

Safety Services (UK) Ltd are Professional Occupational Health and safety consultancy established in 1983, providing a complete health and safety service, advice, and training services to the construction industry & many others.

Safety Systems of Vermont install new systems and will continue servicing them through routine maintenance and inspections.

Safety Technology International Ltd manufactures and globally distributes a wide range of unique specialist products that protect essential fire, safety, and security equipment. STI helps prevent false fire alarms, deter theft, and minimise vandalism of critically important life safety equipment. Renowned as the original call point cover manufacturer, for over 40 years STI has remained committed to the improvement of its existing range.

Safety Technology Int’l., Inc, offers a wide range of high quality security protection products including fire security devices, buttons and switches, alarms and chimes, wire guards, and cabinets, covers and enclosures. Safety Technology now markets more than 1000 products throughout the world. These products help prevent false fire alarms, theft and vandalism of the things that protect us all. STI is headquartered in Waterford, Michigan.

Safeway Security is a duly registered business in Cooperative Republic of Guyana since 2010. they are a retailer, wholesaler and installer of all types of security devices and products.

Safeworld Systems is a one stop solution for fire protection, safety and security since 1972. The company offers CCTV systems, time attendance and payroll system, access control system, baggage scanning system, burglar alarm system and metal detectors from elading security companies.

Safezone24 is a leading security company with over 20 years of security integration experience. The company offers an array of security services and products, such as smoke detectors, security cameras, burglar alarm systems, access control systems, face recognition and community watch. Safezone 24 offers professional services, including security integration, anti-terror training and risk assessment.

Sage-Tech International is an importer & suppliers of complete security system, gas detection system, environmental & pollution equipment & laboratory instruments, which are being used by National and Multinational Companies. Sage-Tech deal ins hand held/walk-through metal detectors, x-ray baggage machine and bomb blanket.

Saltex Group is a worldwide leader in the security industry with more than 20 years of experience in the design, development, and implementation of integrated security systems customized to meet clients’ needs and including: CCTV, access control, detection systems, burglary and intrusion systems and fire and suppression systems.