Tosi (formerly Tosibox)

Tosi, known until its 2026 rebrand as Tosibox, is an operational-technology networking company founded in 2011 and headquartered in Oulu, Finland, with additional offices in Espoo, Tampere, the United States, Germany and Sweden. It provides secure remote-access hardware and software for connecting industrial edge devices without exposing them directly to the public internet.

The platform combines edge appliances with a central management console and the Tosi Insight monitoring module, giving field teams encrypted remote access and asset visibility across oil and gas, water treatment, industrial automation and smart-building sites. The company reports protecting more than 14,000 operational-technology locations worldwide.

1. Secure remote access: encrypted connections to industrial edge devices.

2. Edge appliances: on-site hardware bridging OT devices to the network.

3. Tosi Insight: network monitoring and advanced analytics module.

4. Centralized control: manage access and assets from a single console.

5. Compliance support: features aimed at OT security and regulatory requirements.

6. Reduced site visits: remote troubleshooting cuts field-service trips.