Onvia, Inc. is an American government business intelligence company with 180 employees and annual revenue of US $21.1 million. Onvia offers a number of business-to-business software products, including Onvia Business Builder, a government leads and relationship manager; Onvia Navigator, a database of government contracts; and the Onvia Guide, which provides push notifications of government business opportunities.

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.

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.

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.

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.

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.

Oracle Corporation is an American multinational computer technology corporation. Oracle specialises in developing and marketing computer hardware systems and enterprise software products – particularly its own brands of database management systems.

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.

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 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.

Ordr provides organizations 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.

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.

Founded in 2010, Orion Networks is a locally owned and operated IT and information solutions provider, based in Louisville, Kentucky. The company's qualified network engineers are certified in a wide range of network solutions to meet varying business requirements. They provide IT Solutions, Unified Communications, Borderless Networks, Data Center Architecture and Infrastructure, and Virtualization.

Osborn Sales Solutions provides quality representation for those manufacturers with complementary products offerings, who strive to provide new and innovative products. The company is built on providing the “Best in Class” representation of quality products throughout the North West California and Mountain Region Territories within the Industrial, Electrical, Security and Data Networking industries.

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 specialized electronic components and electronic manufacturing services to their Security and Healthcare divisions.

OSNEXUS makes the QuantaStor™ industry-foremost Software-Defined Storage (SDS) platform. QuantaStor bare-metal installs on standard servers to deliver unified file, block, and object storage in a single platform. What makes QuantaStor unique is it's storage grid technology.

Outreach, the first and only Sales Execution Platform, helps revenue teams bring intelligence to workflows, unlock full visibility across the entire revenue cycle, and commit their forecasts with confidence.

Overhead Door Brand is one of the most recognized and respected brands in the garage door industry. For almost 100 years, the Overhead Door Brand has stood for product quality and expertise, as well as professional service. They also offer specialized training on the installation of doors through ongoing classes offered through ARCAT.

Whether OVG360 is managing the entire venue or providing event programming services, their clients are their number one priority always. OVG360 can help venues with booking, efficiency, and more.

Owl Video Security Systems' security camera systems have multiple authorized users logging into the system. They have tested many different technologies, options, and types of security cameras, and CCTV DVR's to narrow down the alternatives to a high quality, and affordable security system for every specific need.

OwnBackup provides secure, automated, daily backups of SaaS and PaaS data, including Salesforce. The company was co-founded by technology veterans with deep experience in data-recovery, data-protection and information-security.

Oyla Inc. is a technology company that provides intrusion detection and people counting system to support organizations during COVID-19.