Solid Responder is a team of emergency rescue personnel committed to providing the response community with equipment designed, developed, tested, and proven to enhance the ability to succeed.

Founded in 1974, .Solid State Security Ltd has developed into the fastest reacting fire & security company. They are one of the UK’s leading specialist electrical contracting companies with over 35 years'​ experience in the design, supply, installation, commissioning and maintenance of life-safety systems including fire alarms, security systems, emergency lighting, CCTV, voice alarm systems and call systems.

Solutions for Systems is a Northern Ireland-based independently owned systems solutions firm that offers expertise in Fire, Security, Electrical and Satellite & Aerial Communication Systems.

SOMATICO is globally renowned distributor and reseller of firefighting equipment and personal protective equipment (PPE), with headquarters located in Mont Saint Aignan, Upper Normandy, France.

ONNENBURG is the leading premium brand for worldwide mass warning systems and alert notification, especially in its core sector electronic sirens.

Sotec delivers marine, offshore and industrial fire protection to clients worldwide. Sotec specialists employ the latest technology, expert know-how and one-stop service to design, fabricate, install and maintain integrated fire and gas detection and fire suppression systems and equipment.

Soteria fire safety is Kansas City's Woman-Owned Fire Alarm, Safety & Security Company. They provide Fire Alarm Design and Installation, Clean Agent System Design and Installation, Mass Notification Systems Design and Installation, Fire Extinguisher Installation, Maintenance and Inspection and much more.

A self-sustaining government organization, Sourcewell has over 40 years of dedicated service helping government, education, and non-profit agencies operate more efficiently through a variety of solutions.

The South Australian Country Fire Service (CFS) serves communities through dedicated volunteers delivering professional fire and rescue services to outer metropolitan, regional and rural South Australia.

South Australian Fire and Emergency Services Commission - SAFECOM collaborates closely with the Chief Officers from the three South Australian fire and emergency service organizations to ensure that volunteers and employees across the fire and emergency services sector are provided with the resources and support they need to conduct this vital work.

The South Australian Metropolitan Fire Service (MFS) is responsible for protecting the community from the effects of fires, road crashes, dangerous substances and other emergencies. Their role includes prevention and education, preparedness, and response and recovery activities. Established in 1862, the MFS headquarters is based in the city of Adelaide, there are also 19 metropolitan stations and 17 stations located in larger regional centers.

South Boundary Fire Protection District was formed in 2004 and within 5 years had a Fire Chief working full time. Now, with 3 fire stations, approx. 2,600 residents, the District has a qualified professional staff of Volunteer Firefighters with a Junior Firefighter Program that hopes to create futures for the youth in the field of Fire/EMS.

The South Carolina State Firefighters’ Association, founded in 1905 and headquartered in Columbia, SC, provides services such as education, training, benefits and representation to the fire departments of South Carolina.

South Central Ambulance Service (SCAS) were the first Ambulance Service to achieve a CQC rating of 'Good' and are a top performing ambulance service and a Global Digital Exemplar NHS Trust. It provides 999 emergency services, as well as non-emergency patient transport services (PTS) and NHS 111 services.

South Central Ambulance Service (SCAS) provides medical emergency, rescue, 999 emergency services, as well as non-emergency patient transport services (PTS) and NHS 111 services across Berkshire, Buckinghamshire, Hampshire, Oxfordshire, as well as PTS across Surrey and Sussex regions in the United Kingdom, serving a total population of 7 million people.

South East Coast Ambulance Service NHS Foundation Trust is part of the National Health Service (NHS). They provide emergency rescue and aid services covering a geographical area of 3,600 square miles (Brighton & Hove, East Sussex, West Sussex, Kent, Surrey, and North East Hampshire) of South East UK.

SFEV is located in Fort Myers, Florida and encompasses a 21,000-sq-ft service center, mobile service vehicles, and a knowledgeable sales, service, and parts staff. SFEV stands ready to meet the needs of first responders today and tomorrow. In the last ten years, SFEV has grown to become one of the top Sutphen dealers in the country. SFEV is also the Florida dealer for KME Fire Apparatus, PL Custom Ambulances, SVI, Fouts Bros, and SFEV Brushtruck.

The South Holland Fire Department is made up of the South Holland Fireman’s Association and the full-time members are charted as the South Holland Professional Firefighters Association. The South Holland Fire Department is an Advance Life Support (ALS) EMS response department.

South King Fire and Rescue is a fire district rich in its history. The fire district covers nearly 41 square miles and protects nearly 150,000 citizens. The district is made up of what used to be five former fire districts.