At Onyx Security Group, their manned guarding services offer a robust and reliable on-site security solution tailored to the business or property. They deploy fully SIA-licensed and rigorously vetted officers who bring experience, professionalism and acute awareness to every assignment.

Ooperon is specialises in developing, installing, and integrating personal security systems as well as security alarm and communication systems. The company primarily caters to judicial and healthcare institutions.

Opem Security is a pioneer, London based, security systems provider. They specialise in delivering the design installation, monitoring, and maintenance for CCTV and access control, as well as an offering out-of-hours concierge support and facilities management.

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.

Secure your assets, control time and attendance with a best-in-class biometric system. Open HCM's biometric solutions are the answer to your secure access and time/attendance monitoring needs. Whether it is finger or palm print recognition technology, Open HCM's specialists are ready to listen and work together with your team to provide cost effective solutions.

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.

Open-Xchange is a globally renowned software solutions company that specialises in mail/messaging and DNS-based security services, with more than 200m seats sold through international hosting and telco providers worldwide, including partners such as 1&1, Orange, Italiaonline, Comcast, GoDaddy, NTT or Softbank.

Openminded is an organisation that works in Business Units (Offensive & Defensive Security, Governance & Identities, Cloud Infrastructures, Operations) and are known for offering clear and responsible products and systems to respond to new security challenges.

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.

OpenWorks Engineering is a hi-tech product company developing security and counter-terrorism products. OpenWorks has developed an award-winning and innovative drone capture and autonomous optical detection and tracking technology. The systems offer law enforcement and security forces the capability to protect the people, VIPs, secure facilities, and critical national infrastructure.

Oprema are multi-brand distributors of CCTV, IP, Fire, Access Control & Data Products. Oprema supply quality products at competitive prices and are currently the sole UK distributor of the outstanding Olix range of CCTV products. Their professional and friendly approach to business coupled with their market leading customer service and technical support make them stand out from the average security distributor.

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.

OPSWAT protects critical infrastructure. The goal is to eliminate malware and zero-day attacks. They believe that every file and every device poses a threat. Threats must be addressed at all locations at all times—at entry, at exit, and at rest. Products focus on threat prevention and process creation for secure data transfer and safe device access. The result is productive systems that minimise the risk of compromise.

Founded in Leeds, UK, Optalysys enables the future of secure computing by processing encrypted data at scale, without it being decrypted. It does this by using the power of advanced silicon photonics to enable Fully Homomorphic Encryption (FHE), a cryptographic technology to allow organisations to securely commercialise their data.

Optec specialises in delivering end-to-end cybersecurity solutions and services designed to proactively protect the business. They provide cybersecurity, digital transformation, email security, network security, application security, cloud, infrastructure, remote work, data backup and much more.

OPTIMUM datamanagement solutions GmbH specialises in industrial image processing that combines database management with camera technology. They provide camera-based assistance systems, Smart Klaus which accelerates the processes in industrial companies, makes them more economical and relieves the employees. At the same time it increases quality, productivity and satisfaction of customers and employees.

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.

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.

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 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.

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.

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.

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.

ORVIBO provides secure, energy-saving & comfortable smart home solutions for customers worldwide with the help IoT, AI and cloud computing technologies. ORVIBO provides complete systems including audio visual, lighting control, home automation, smart security and many more.

OSI Systems provides security and inspection systems, turnkey screening operations, and integrated solutions, all supported by a global service and maintenance network. They also provide specialised electronic components and electronic manufacturing services to their Security and Healthcare divisions.