Shelbyville Fire Department provides fire protection and suppression to the City of Shelbyville, to the level of training received by its members and with the equipment available. They also provide assistance and rescue programs comparable to the training and ability of the members and to the extent that the equipment allows them.

Shermans Dale Community Fire Company is a company based in Pennsylvania, USA that provides First Responder Services and other fire related services to assigned locations.

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.

The Sioux Rapids Fire Department is an organization of dedicated professionals who are committed to serving the community by protecting life, property, and the environment through prevention, education and fire services.

The Skippack Fire Company is a 100% all volunteer organization, responding to 280 calls for service in 2018. The Skippack Fire Company operates out of one firehouse which provides primary fire protection to the residents and businesses of Skippack Township.

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.

Founded in 1976, Snow Lake Fire Department's service area covers much more than the Town of Snow Lake Shores. They cover over 50 square miles of Benton County, as well as provide mutual aid to the five other fire departments in Benton County.

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.

Southeastern Specialty Vehicles helps local and global customers meet their needs by translating knowledge and experience into quality emergency medical, rescue, and specialty vehicles. It will accomplish this through professional customer service, quality manufacturing and always putting the customer first.

The mission of the Southern Regional Response Group (SRRG) is to provide the department with a dedicated, highly organized, and specially trained unit that can respond to and resolve crisis situations.

Centre and Portage Township Fire Departments merged in 2008 to create the Southwest Central Fire Territory.

Over the last 30 years, Spectrum Fire Protection has evolved into a leading engineering company that can cover both the mechanical and electrical initial design concept, through to installation, maintenance and verification to fire and life safety systems for projects of any scale. Spectrum is committed to continuing sustainable development of its business activities by ensuring it meets the needs of clients, legislation, regulation and society.

The Spencer Fire-Rescue Department is a professional and dedicated organization that is constantly evolving to meet the ever-changing demands of the community.

Spokane Valley Fire Department has been serving the cities of Spokane Valley, Liberty Lake, Millwood, and parts of unincorporated Spokane County, including the communities of Otis Orchards, Pasadena Park, and the area surrounding Liberty Lake.

Springville Volunteer Fire Department provides a wide range of fire protection, rescue and safety services in the city of Springville, Tennessee.

Sprinklermatic is an independently owned, merit / open shop, State licensed Fire Sprinkler and Fire Alarm Contractor. They provide design, fabrication, installations, on-going maintenance and inspections of fire protection systems.