Sound Intelligence is the worldwide pioneer and market leader in advanced audio analysis technology. After years of research at the University of Groningen Sound Intelligence has the proprietary technology used in a variety of situations such as city centers, prisons and care. Some of its Technology partners include Axis Communications, CNL, Bosch, Louroe Electronics and Panasonic, among others.

Sound Products, Inc. provides fully personal, full service capabilities including design, installation and customer service. They create customised solutions with sight, sound and security that influence and enhance personal interaction, consumer behaviour and economic success. They service all types of A/V, security and communications systems for corporate and public sectors.

SoundSecure offers products for use in security systems across a wide range of industries. Installations span from Retail to Convenience Stores and Quick Service Restaurants to Law Enforcement Interview Rooms.

Soundwin is an Android Panel PC/Digital Signage Solution Provider that focusses on the software and hardware design, providing solutions for Android based application development. Their main product lines are 3 In ONE Android Panel PC, Android All in One Panel PC, Android All in One Digital Signage Display, Android Digital Signage Player, and Android Interactive Digital Signage Display/Kiosk.

Source AV, has built a reputation for solid sales representation, technical expertise and project consultation that enables the dealer/integrator to provide effective solutions to their end user.

Source Security is a Canadian firm which provides a range of industry-leading and cost-effective services. They offer a wide range of specialised services to address all the security needs.

Founded in 1989, SOURCE Tactical Gear is a recognised global innovator in tactical gear design and technology. Supplying defense forces and law enforcement agencies worldwide and serving as a major supplier to the Israel Defense Forces (IDF). SOURCE is known for pioneering solutions in hydration, protective gear, and modular load-carry systems—all developed and produced in-house to the highest standards of functionality, quality, and reliability.

SourceIT, the US based company specialises in the design, manufacturing and distribution of IP megapixel cameras, CCTV cameras, digital/network video servers, card access control, audio/video intercom entry, intrusion detection, power supplies, alarm equipments, housing & mounts, lenses, locks, monitors, encoders, software, etc.

Founded in 1979, South Antrim Alarms Ltd is one of the longest established independent security companies in Northern Ireland. The company was accredited as an approved NACOSS installer. South Antrim Alarms Ltd installs all intruder alarm systems to European Standards and in particular PD6662:2004.

South Carolina Law Enforcement Division (SLED) provides quality manpower and technical assistance to law enforcement agencies and to conduct investigations on behalf of the state as directed by the Governor and Attorney General.

For over 30 years, South East Security has specialised in the installation and maintenance of intruder alarms, CCTV, access control, fire alarms and also provides full Fire Safety and Locksmith services. The company is NACOSS Gold and UKAS Product and Quality accredited by the National Security Inspectorate for Alarms, CCTV and Access Control and are audited twice a year to maintain these credentials.

Formed in 1996, South Manchester Gate & Barrier is one of the largest suppliers of Gate Automation in the North West. South Manchester Gate & Barrier have over 10 years experience in the automation industry and have achieved a large customer base of domestic and commercial clients. The company offers project planning, installation and maintenance services as well as a highly professional after sales service.

Southco, Inc. is the manufacturer of engineered access hardware solutions in the USA. Engineered access hardware solutions include key "touch points" such as locks, latches, captive fasteners, hinges, handles and other innovative products. The company covers industries such as marine, automotive, off-highway/construction, RV/caravan, industrial machinery, enclosures, HVAC, medical equipment and network, telecommunications and computers.

Established in 1986 with offices in Ohio and Florida, Southeast Security Corporation offers installation services. Southeast Corporation custom designs systems for all types of commercial, industrial and governmental applications. Southeast Security is licensed in the States of Ohio and Florida for the installation of Fire Alarm Systems and is a member of the American Society for Industrial Security and National Fire Protection Association.

Southeast Security Products is a security manufacturer representative in the USA. The company offers audio/video, power & IP connectivity, home automation, video surveillance, access control, intrusion & monitoring, tools & accessories.

Southeastern Security Professionals (SSP) is security system integrator in the Southeast Region. The company provides design, installation, and service of fire alarm, burglar alarm, access control, gate entry, camera surveillance, IP cameras, intercom and other life safety and security systems.

Established for over 20 years,Southern Electrical Services Ltd is an independently owned and managed electrical installation and intruder alarm company. Based in Gerrards Cross, the company specialises in large high specification domestic installations and refurbishments. Southern Electrical Services Ltd carries out regular commercial installations, planned maintenance and testing & inspection work in the City and Home Counties.

Based in the heart of Surrey, Southern Fire & Security Ltd are a newly established security installation company. They have extensive knowledge base of all aspects of the security industry covering alarm systems, fire alarms, CCTV, access control, door entry systems and manned security, offering quality and professional services.

Southern Fire Alarms Ltd designs, installs, commissions and maintains fire and life safety systems including fire detection and alarms, radio fire alarms, fire telephones, fire suppression systems, voice alarms, emergency lighting, alarms monitoring etc. Based in West Essex, the company accredited to the SSAIB scheme and provides safe evacuation of buildings and their occupents in the event of a fire or emergency situation.

Southern Monitoring Services Ltd is an independent Alarm Receiving Centre and Remote Video Response Centre in the UK and has achieved the first NSI Quality Assurance ISO 9002 certificate. The company offers services such as security system monitoring, remote video monitoring, out-of-hours service co-ordination, lone worker monitoring, fire alarm monitoring, facilities & bespoke monitoring, as well as assisted living & telecare monitoring.

Southern Security Services Ltd is a security systems installer in the UK. The company provides intruder alarms, CCTV systems, access control systems, fire alarm systems and automated gates and doors to health authorities, schools and colleges, and residential installations.

Southland Fire Alarm provides fire alarm engineering services in the South Bay area. The company been involved with fire plans and submittals since 1983 and have specialised in providing plans for the fire alarm industry since the ADA laws came into effect several years ago. Southland Fire Alarm Engineering offers services, such as fire alarm engineering, installation and repair, annual fire alarm inspection, heat and smoke detectors.

Southtec offers the most up to date and convenient ways of updating, repairing and installing PC's, security systems, 24 hour video monitoring, PC based CCTV and computer networking.

With more than 40 years of experience and 70,000 systems in 80+ countries, Southwest Microwave has earned a global leadership position in the design and manufacture of integrated, high-security, outdoor electronic perimeter intrusion detection systems. The field-proven sensor technologies & security management tools provide precise, immediate detection of perimeter disturbances for security-sensitive applications and harsh exterior environments.

With 40 years of experience and 53,000 installations worldwide, Southwest Microwave is a leading global producer of integrated, high-performance outdoor perimeter security systems that reliably protect against threat to critical infrastructure, high-value assets and personnel. Our field-proven solutions provide precise, immediate detection of perimeter disturbances for security-sensitive applications across broad-ranging vertical markets.

Southwest Synergistic Solutions is a San Antonio, Texas based company that develops and manufactures specialized lighting solutions for our war fighters and first responders. Southwest Synergistic Solutions' original product the Emergency/Triage Light is associated with the Department of Defenses, “Domestic Preparedness Support Initiative” and the E/T Lights themselves have been reviewed by the Inter Agency Board.