Siddons Martin Emergency Group is a renowned US-based dealer and provider of emergency rescue and fire services vehicles, along with fire apparatus and rescue equipment. Headquartered in Houston, Texas, Siddons-Martin Emergency Group is one of the largest emergency vehicle dealerships in North America.

Sika is a specialty chemicals company with a position in the development and production of systems and products for bonding, sealing, damping, reinforcing, and protecting in the building sector and motor vehicle industry. Sika has subsidiaries in 101 countries around the world and manufactures in over 300 factories.

Silco Fire & Security is family owned and managed fire safety services business, established in 1959 with offices in Cincinnati, Dayton, Columbus, Akron, and Cleveland. They provide a range of services, such as Fire Extinguisher Service & Inspection, Sprinkler Systems, Fire Pumps & Backflows, Fire Alarms & Detection Systems, Special Hazard Suppression Systems, Exit & Emergency Lighting, Restaurant Suppression Systems & Security Systems.

Simpson Security is a Security & Life Safety Contractor. They specialize in Division 27 & 28 work which includes Fire Alarm, Communications, Security, and Nurse Call Systems.

SK FireSafety Group is composed of a well-balanced and diverse range of experienced companies that specialize in one area of expertise, protecting people and investments against fire and other accidents. They offer fire protection solutions for high risk markets such as Oil & Gas and maintenance of fire extinguishers, hose reels, emergency lighting, fire detection and extinguishing systems.

Sklep Ogniowy is a firefighting store offering both professional equipment and articles for hobbyists and firefighting fans. This is a place created by firefighters for firefighters. They provide rescue equipment, firefighting equipment, measuring equipment, personal equipment of firefighters, combat vehicles and fire stations. They offer full equipment for fire protection units of PSP and OSP, professional equipment from world producers.

Sleep Number is a U.S.-based manufacturer of foam equipment, beds, as well as foundations and accessories.

Slidemaster/Innovative Industries, Inc. make high quality slide out cargo trays for fire/rescue. They have been in business for over 30 years and are the most trusted cargo handling tray manufacturer in the industry with a limited lifetime warranty.

At SmartMist, they offer range of fire suppression solutions with their core expertise in mist fire suppression. They operate nationwide with their network of distributors, offering their services across the UK; including England, Scotland and Wales.

SMARTSHOOTER is a designer, developer, and manufacturer of innovative fire control systems that significantly increase the accuracy and lethality of small arms. SMARTSHOOTER’s fire control solutions were designed to give soldiers and law enforcement officials a precision edge in any given firefight, but the systems bring a range of additional training and operational benefits and can be employed in a wide range of roles.

SHARKS range of innovative, new generation fire fighting products and systems are designed, manufactured and installed by Smith & Sharks Projects (India) Pvt. Ltd., a company promoted by a team of India's renowned fire engineering experts with over 40 years of outstanding performance in the field of Fire Protection Engineering and related Research & Development activities.

Smiths Fire helps to protect businesses from the risks of fire by providing fire extinguishers, fire alarms, emergency lighting and fire safety training perfectly designed for any environment.

Snowdonia Fire Protection Ltd is committed to providing customers with an outstanding property protection service, which means they continuously strive to improve commercial fire alarms and home security systems to better meet their needs.

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.

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.

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.

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.

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.

SMFR provides emergency and prevention services to approximately 540,000 residents and thousands more who come into our communities to work. They provide Firefighting, Paramedic, Emergency Medical Services, Aircraft Rescue, Hazardous Materials Operations, Water Rescue and Recovery, and much more.

Southbourne Electrical services Ltd provides design and build electrical installations, electrical fit outs to CAT A and CAT B, electrotechnical design and installation, EICR and PAT testing, CAD work, Fire alarm systems, Data cabling, Emergency lighting, and UPS and generator installations.

Southeast Extinguisher Service provide reliable and timely service work in the fire and life safety industry. Their goal is to provide fast, professional service at competitive prices. They provide hand held extinguishers, wireless alarms, wheeled extinguishers, fire suppression tools and much more.

Southeastern Fire & Safety specializes in portable fire extinguishers and perform all services in compliance with NFPA standards. They also provide full end-to-end services for kitchen and industrial suppression including around-the-clock support.

Southland Fire & Safety Equipment, Inc. is the Gulf South’s largest distributor of fire and safety equipment. They are the wholesale distributor of industrial fire and safety equipment. They provide services such as fire extinguisher inspections and refills, fire hose hydrotesting, SCBA hydrotesting, air mask fit testing, and training.

At Sovereign, protecting the business from fire is their priority. They provide comprehensive fire prevention and detection measures that make a crucial difference when it comes to emergency situations, alongside a regular routine of maintenance.

Sparc Fire Protection Engineering, LLC specializes in consulting over a broad range of fire protection topics. Sparc can provide full system design of fire protection systems, performance based design, third party review, and construction administration services.

Spartan Emergency Response vehicles are well known for safety, quality, durability, aftermarket product support, and first-to-market innovation. The company operates facilities in Michigan, Pennsylvania, South Dakota, and Nebraska.

Special Fire Systems specializes in the distribution, installation, and servicing of clean agent fire suppression systems, fire detection, and fire alarm systems, with an emphasis on special hazards. They also provide services such as installation of fire products, fire extinguisher training, fire products testing, inspection of fire products, system monitoring, consultation and much more.