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Top 7 OT Secure Remote Access Software SaaS Companies in May 2026

As of May 2026, there are 7 SaaS companies in OT Secure Remote Access Software. They have combined revenues of $241.5M and employ 1.1K people. They have raised $321M and serve - customers combined.

OT Secure Remote Access Software enables personnel to access operational technology (OT) systems remotely, thus allowing efficient management and monitoring of industrial environments without being physically present. This capability is crucial for industries that rely on the flawless operation of their machinery and control systems, such as manufacturing, energy, utilities, and transportation. The software typically features secure authentication protocols, user access controls, and robust monitoring to ensure that remote connections do not compromise the integrity of the OT systems. Common workflows include troubleshooting equipment, performing updates, and conducting maintenance tasks from a distance, which can significantly reduce downtime and costs associated with on-site visits. Key users of OT Secure Remote Access Software include IT administrators, operations management, and maintenance engineers who require reliable and secure access to operational systems. This software is designed to mitigate risks associated with remote access while maintaining productivity and operational efficiency.

Companies
7
Revenue
$241.5M
Funding
$321M
Employees
1.1K

Filters

Sorting: Highest -> Lowest

Filters

Top OT Secure Remote Access Software Companies

Showing 10 of 3 companies ranked by annual revenue.

1
XONA

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.

Revenue
$7.8M
Customers
-
Year founded
2017
Funding
-
Team size
47
Growth
-
2
Frenos

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.

Revenue
$5.7M
Customers
-
Year founded
2023
Funding
-
Team size
39
Growth
-
3
Crunchy Tech

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

Revenue
$5.3M
Customers
-
Year founded
2009
Funding
-
Team size
19
Growth
-

Inclusion Criteria

- Must provide secure authentication and access controls for users - Should support real-time monitoring of remote sessions and network activity - Must cater specifically to the needs of operational technology environments - Needs to enable remote troubleshooting and maintenance of industrial systems - Not just focused on traditional IT remote access; must specifically address OT security requirements