Odessa Fire Company is a fire and safety company that supports rescue missions and other fire protection operations in the Odessa region of the US State of Delaware.

Odice, founded in 1983, is a specialist in passive fire protection. Odice is the leader in the development, transformation and production of intumescent joints and thermal insulating materials.

Odyssey Fire Protection LLC was founded on the idea of incorporating old school principles and training techniques with technologically advanced methods and modern equipment. WThey constantly train employees on the latest code updates, safety practices, and learn cutting edge technologies and methodologies to stay on top of the industry.

Ohio Valley Sprinklers is a full-service contractor with decades of experience, we provide fire protection for industrial, commercial and residential buildings in projects of any scope. Based in Owensboro, Kentucky, Ohio Valley Sprinklers operates in the Midwestern United States, focusing on Western Kentucky, Southern Indiana and Southern Illinois regions.

The Oklahoma State Firefighters Association (OSFA) offers a wide array of benefits and resources to assist the Firefighters of the US State of Oklahoma. OSFA unites firefighters around the state through education, legislative activities and much more.

Oliver Fire Protection & Security is a full service fire protection and security provider. They specialize in providing turnkey life safety solutions and emergency service for their clients.

One Way Safety is a fire safety equipment distributor, specializing in safety products and services. They are renowned for supplying Personal Protective Equipment, Gas Detection Systems, Fall Protection, FR Apparel, Respirators, Safety Apparel, and Uniforms. They also supply air trailers for fire safety applications.

Founded in 2014, OneEvent Technologies was born from the idea that a single event can change one’s life forever. Based in Mount Horeb, Wisconsin, OneEvent Technologies delivers patented technology that produces lifesaving, descriptive, predictive analytics data on residential and commercial properties for the property and casualty insurance industry, as well as the fire, safety, and security sectors.

Onsite Software are pioneers in fire sprinkler design software since the mid 1980's and have continued delivering advanced life safety inspection software till date. They have a unique combination of experience as fire protection contractors and as fire protection software developers.

The Open Security & Safety Alliance is a collaboration initiative that brings together like-minded organizations in order to create a framework providing standards and specifications for common components including an operating system, IoT infrastructure, collective approach for data security and privacy, and a drive for improved levels of performance for fire security and safety solutions.