Top 7 OT Secure Remote Access Software Companies (August 2026)

Hanover, Maryland, United States

Dragos has a global mission to safeguard civilization from those trying to disrupt the industrial infrastructure we depend on every day. The Dragos Platform offers the most effective industrial cybersecurity technology, giving customers visibility into their ICS/OT assets, vulnerabilities, threats, and response actions. The strength behind the Dragos Platform comes from our ability to codify Dragos's industry-leading OT threat intelligence, and insights from the Dragos services team, into the software. Our community-focused approach gives you access to the largest array of industrial organizations participating in collective defense, with the broadest visibility available.  ​ Our solutions protect organizations across a range of industries, including electric, oil & gas, manufacturing, building automation systems, chemical, government, water, food & beverage, mining, transportation, and pharmaceutical. Dragos is privately held and headquartered in the Washington, DC area with regional presence around the world, including Canada, Australia, New Zealand, Europe, and the Middle East.  ​

San Francisco, California, United States

Nozomi Networks is the leader in OT & IoT security for critical infrastructure. Their platform uniquely combines network and endpoint visibility.

Hanover, Maryland, United States

XONA Systems offers a secure access platform specifically designed for operational technology and critical infrastructure systems. It employs a frictionless zero-trust user access platform purpose-built for critical infrastructure, aiming to deliver unmatched security without slowing the speed of work.

Charlotte, North Carolina, United States

Frenos transforms how critical infrastructure teams assess the cybersecurity posture of mission-critical sites and environments with its AI-native OT security posture management platform.

Orlando, Florida, United States

A technology firm focused on the deployment and support of highly-secure commercial, medical & industrial control systems, global content distribution networks and natural user interface advancements

Mountain View, California, United States

Cyolo is a company that provides identity-based secure access solutions for IT and OT environments. Their platform offers secure remote access and follows a Zero Trust approach to prevent unauthorized access. Cyolo aims to connect users to any environment securely.

Trollåsen, Akershus, Norway

IoT device management and integrated VPN with remote access. Quick time to value for POCs and lifecycle management for large IIoT device deployments. We feature OTA software updates, CVE vulnerability analysis, script distribution and remote execution, full automation and a very advanced remote access solution allowing to map any port from any remote device through firewall and NATs to a local computer. This allows to remotely work or debug devices anywhere in the world.