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 organisational functions divided into 20 divisions. The Orange County Sheriff-Coroner Department is known for its professionalism, highly trained personnel, and cost-effectiveness.

Orange Cyberdefense is the Orange Group’s expert cyber security business unit, providing Managed Security (MSSP), Managed Detection and Reaction (MDR) and Threat Intelligence services to organisations around the globe. They secure critical data, intellectual property and brand image, ensuring the security of vital and confidential information.

orangeTags manufactures smart cards, RFID and other identification products.

Orbis, formerly SitexOrbis, is the established market leader providing property and people protection in a range of sectors with a diversified client base. SitexOrbis is the trusted partner for a number of local authorities and housing associations as well as a large number of private sector organisations such as Tesco and Norwich Union.

Orbis Security Solutions offers specialised guarding solutions in the Western Cape Province. The South Africa based company acquired by Securitas in 2011. Securitas is a knowledge leader in security, focusing on providing security solutions to fit each customer's needs in 52 countries in North America, Europe, Latin America, Middle East, Asia and Africa.

Orbit Communication Systems Ltd., a pioneering provider of airborne communications and satellite-tracking maritime and ground-station solutions, is helping to expand and redefine how they connect. Orbit systems on airliners and jet fighters, cruise ships and navy vessels, ground stations and offshore platforms. They deliver innovative, cost-effective and highly reliable solutions to commercial operators, major air forces and navies.

Founded in 2004, Orbita is a reputable card-operated lock and hotel locking systems manufacturer for the Chinese hospitality industry. Orbita's products have been developed from years of experience and can integrate with advanced technology from companies such as Siemens, Dallas, Atmel and Philips. More than 5000 hotels, resorts and cruise ships in 100 countries use Orbita's card locks, digital safes and other intelligent accessories.

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.

Orbital Marine Power (Orbital) is a visionary, Scotland-based, renewable energy company focused on the development and global application of its pioneering floating turbine technology. Orbital’s innovative, approach de-risks the commercial extraction of low carbon energy from fast-flowing currents by offering low manufacturing and installation costs as well as the ability to carry out inexpensive, quick servicing on all major turbine components.

Orbnet Systems are a UK based security system software company focused on video surveillance and custom software development. They specialise in video streaming protocols, radar technology, surveillance drones, alarm systems, access control and cloud integrations.

Orca AI advances the maritime industry by providing intelligent navigation solutions, preventing collisions and saving lives. They ensure safety in waterways and deep waters by staying committed in the vision to reduce human-caused errors through intelligent automated vessels.

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.

Orchard Fencing supplies and installs high quality fencing solutions for both business and domestic customers throughout the south-west. Since 1997 the Taunton based company has built an outstanding reputation as Somerset's leading fencing contractor, specialising particularly in major projects and challenging sites.

OrderWork was built on the recognition that retailers needed to differentiate their brands in an expanding online market. With access to OrderWork's white-label team of service professionals, retailers can offer customers nationwide installation services through OrderWork's Delivery Network.

Ordr provides organisations with a comprehensive inventory and a single, trusted source of insights on every asset, enabling them to identify and reduce their attack surface. Ordr addresses the entire asset and attack surface management journey—visibility, risk-based vulnerability management, advanced threat detection and Zero Trust segmentation.

Oregon Point of Sale specialises in today’s cutting edge DVR surveillance systems. The company fulfills specific surveillance needs, such as independent camera configuration & settings, high resolution professional cameras, etc.

Orestone Controls offers 24/7 manned protective monitoring service utilising permanent and semi-permanent CCTV and fire detection systems. They also provide door safety services, access control systems, emergency alarm systems, gate automation, fire alarm systems and many more.

OCCAR (Organisation Conjointe de Coopération en matière d'Armement / Organisation for Joint Armament Co-operation) is an international organisation whose core-business is the through life management of cooperative defence equipment programmes. They provide more effective and efficient arrangements for the management of certain existing and future collaborative armament programmes.

Oribi is an all-in-one marketing analytics tool. They are dedicated to building an AI-based technology that can help any business of any size become completely data-driven.

Origin Acoustics is a designer and manufacturer of the finest loudspeakers, electronics and accessories available for the custom integrator market. They offer a complete line of in-ceiling, in-wall, indoor-outdoor speakers and subwoofers for residential and commercial security dealers who install sound systems.

Origin is revolutionising what Wi-Fi can do. As the pioneer of Wi-Fi Sensing AI, Origin aims to improve people's lives with its technology. Its patented and award-winning applications enable companies to build a wide range of Wi-Fi smart home, health, well-being, and automotive applications with high performance, low cost, and ease of use.

OriginGPS is a world-leading designer, manufacturer, and supplier of fully integrated, miniaturised GPS/GNSS and cellular IoT solutions. OriginIoT™ systems - enable developers to develop IoT products without writing a single line of embedded code and without RF engineering know-how. A new rapid product cycle is created, dramatically cutting development resources.

ORing Industrial Networking Corp. the global leading brand company, established in 2005 and focuses on innovation of industrial networking products. Within these years ORing, a group of well-experienced industrial-networking software and hardware engineers, has developed a lot of product lines, such as industrial grade media converter, Ethernet switch, wireless router and device server.

Headquartered in New Hampshire, Orion Entrance Control, Inc. is a family-owned, American manufacturer of technically- superior, architecturally-pleasing optical access control solutions for high-rise buildings, government centers, education campuses and corporate facilities. Orion offers an “easy-to-work-with” philosophy for both security integrators and architectural planners.

ORION Images Corporation (OIC) specialises in designing, developing and manufacturing LCD commercial displays. The USA based company’s LCD monitors meet the diverse needs of CCTV, Pro A/V and commercial users. ORION Images provides monitors to retail, financial, transportation & transit, command & control centers, government, malls, public venue, leisure etc.

Orion Integration design, develop, manufacture and deploy highly capable systems for defence and national security clients. The company's products are the core engine behind some of the industry's most innovative and capable products, including Unmanned Aerial Systems, Robots, Field Recorders, and Examination Recording Systems. Orion has operations in Australia, Singapore and USA.