ONVIF is established as a non-profit organization. It is an open industry forum for the development of a global standard for the interface of IP-based physical security products.

OODA LLC is a US-based software and integrated security company that provides advanced intelligence, analysis, and insight on global security, technology, and business issues. They also offer strategy and planning support, risk and threat management, along with security services to global MNCs and governments.

The Open Connectivity Foundation (OCF) creates an open source project for connected devices to communicate with each other. OCF provides smart home solutions, business security solutions, healthcare solutions and industrial security.

Open Options has been delivering global open platform access control solutions since 1997. They were among the first to embrace true open architecture in an industry that offered proprietary, closed systems that trapped users into an expensive and limited model.

The Open Security & Safety Alliance (the Alliance) is a collaboration initiative that brings together like-minded organizations in order to create a framework outlining a common standardized platform for security and safety solutions. The key beneficiaries of this alliance will be the customer and user of the improved security, safety, building automation and business intelligence solutions.

Open Security Exchange is a § 501(c)(3) Not-for-profit association of security experts that provides a forum for A&E firms, consultants, end-users, government agencies, manufacturers, system integrators, and allied organizations to mutually define opportunities for Physical & Logical Convergence & Interoperability.

Open-E, Inc. is a pioneering leader and developer of IP-based storage management software with headquarters in the United States and Europe. Founded in 1998, the company sells its line of storage management software through a world-wide network of system integrator and reseller partners. The Open-E JovianDSS and Open-E DSS V7 line of products enjoy a reputation for best-in-class performance, flexibility, reliability and scalability.

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first ahead of profit.

OpenEye is an innovator in the business of designing and manufacturing digital video recorders and surveillance equipment for the security industry. Dedicated to providing the ultimate customer experience with heroic levels of service and support, OpenEye is known worldwide for quality products offering intuitive operation and ease of use.

Opengear is a leading provider of enterprise grade console servers, cellular routers and remote management solutions that enable customers to easily tame IT complexity.

Founded in 2004, Opengear designs, manufacturers and delivers the most feature rich, cost-effective, flexible solutions for secure remote infrastructure management. Opengear enables companies to access and manage virtually any electronic device on their network remotely and securely from anywhere, even if the network is down, to improve efficiencies and maximize business continuity.

Openpath creates smart security solutions for the modern office. Openpath’s flagship product, Openpath Access, combines sleek hardware with an app, enabling employees to enter the office using their smartphones and making office management easier than ever.

Guidance Software provides a wide range of solutions including information security, litigation management as well as digital and mobile investigation. The company offers advisory services to help organizations set up security and invenstigation strategies and practices.

Operational Security Systems is concerned with the planning, design, installation and maintenance of electronic protection systems. OSS concentrates in the Southeastern US and has filled the electronic security needs of its clients since 1972. The company's clients include aviation & transportation, commercial real estate, telecommunications, and utilities.

OpsRamp is a modern SaaS platform company that’s just entered its next stage of growth with new investments from Morgan Stanley, HPE and Sapphire Ventures.

Optellios’ Fiber Patrol® division produces advanced fibre-optic intrusion detection and alarm management solutions, capable of accurately identifying and locating an intrusion to within a few feet for perimeters exceeding 10 miles in length, with the industry’s first intrusion sensor system that keeps working even if the sensor cable is cut.

OPTEX supplies detection systems and products to professional security installers and distributors as well as working closely with security consultants, architects, system specifiers and end-users to ensure specification and configuration of the correct products for the premises and type of risk. OPTEX, Inc. markets products manufactured by OPTEX Company Limited of Otsu, Japan throughout the continents of North and South America.

Optex, Inc. markets products manufactured by Optex Company Limited of Otsu, Japan throughout the continents of North and South America. Optex specializes in indoor and outdoor passive and active infrared technology, including a wide variety of hardwired and wireless outdoor detectors and photobeams, specialized sensors to trigger CCTV systems and a one-of-a-kind Class-1 Laser detector for high security applications.

Opticom Technologies Inc. is a CCTV products manufacturer in Canada. The company specializes in providing integrated analog, digital and web based video security and access control solutions as well as manufacturing several specialized CCTV cameras. Opticom supplies a range of CCTV and video surveillance products to dealers, installers and end users across North America.

Optigo Networks connects security and access control systems, while protecting building from threats. As a leader in connectivity for the commercial building Internet of Things, Optigo Networks provides a complete solution to protect, connect and manage today's most advanced buildings. Layered on top of a robust networking platform, the integrated analytics and security engine ensures the building systems are protected and operate trouble-free.

Optimum Technology combines modern technologies with their deep understanding of law enforcement to deliver effective solutions that help protect police and the community. Their many law enforcement partners and colleagues provide ongoing input on their requirements and on the design of our solutions. Some of their solutions are SWIFTPROTECT, SWIFTREPOSITORY and SWIFTCONNECT.

Created in 2015 from the merger of Accuvant and FishNet Security, Optiv is a cyber security solutions provider in North America. The company helps clients plan, build and run successful cyber security programs to efficiently achieve business objectives through their cyber security offerings, extensive capabilities and proven expertise in cyber security strategy, managed security services, incident response, risk and compliance.

The Orange County Alarm Association exists to promote the interests of the electronic security industry. The association facilitates communication among members engaged in the sale, installation servicing and monitoring of alarm systems, industry suppliers, and public safety officials by providing a forum for the discussion of ideas, problems, and solutions.

The Orange County Sheriff-Coroner Department is a large, multi-faceted law enforcement agency composed of approximately 4,000 staff members and over 800 reserve personnel. The department consists of five organizational functions divided into 20 divisions. The Orange County Sheriff-Coroner Department is known for its professionalism, highly trained personnel, and cost-effectiveness.

Orbital Insight is providing governments and businesses with objective, real-time data at a time when reliable information is scarce. They offer geospatial analytics to help government agencies, promote public health, reduce supply chain risk, and support business continuity.

Orca Security is the cloud security innovation pioneer, provides cloud-wide, workload-deep security and compliance for AWS, Azure, and GCP － without the gaps in coverage, alert fatigue, and operational costs of agents.