Westermo

🇸🇪 Sweden PLCs, HMIs & Industrial Controllers

Industrial Ethernet switches, routers, wireless communication and data communication products for mission-critical systems in harsh environments.

Westermo is a Swedish industrial data communication company headquartered in Västerås. Founded in 1975 by Tore Andersson, Westermo began with industrial line-driver technology and has developed into a manufacturer of robust data communication products for mission-critical systems in physically demanding environments. The company is a wholly owned subsidiary of Ependion and focuses on reliable industrial networks where downtime, harsh conditions or cybersecurity risk can have serious consequences.

Products and applications

Westermo designs and manufactures industrial Ethernet switches, routers, wireless products, serial communication devices, network operating systems, cybersecurity-oriented networking solutions and data communication products for mission-critical environments. Its products are used in social infrastructure such as transport, rail, trackside systems, water, energy supply and utilities, as well as process industries including mining, petrochemical and other demanding industrial environments.

Product Categories

Managed Industrial Ethernet Switches

Industrial Routers

Serial Device Servers

Network Management Software

Product Lines & Series

Lynx Series - Compact Managed Switches
RedFox Series - Rackmount Industrial Switches
Wolverine Series - Ethernet Extenders
MRD Series - Industrial Cellular Routers
WeOS - Network Operating System

Products & Components

Managed Ethernet switches (Layer 2/3)PoE industrial switchesRackmount industrial switchesDIN rail managed switchesIndustrial cellular routersVPN routersEthernet extenders (over copper/coax)Industrial WLAN access pointsNetwork management software (WeConfig)Fiber optic media converters

Solutions & Applications

Railway onboard and trackside networking (EN 50155)Utility substation communication networksWater treatment SCADA networkingRedundant ring network topologies (FRNT)Cybersecure industrial network design (IEC 62443)Legacy serial-to-Ethernet conversion

Industries Served

Energy & UtilitiesWater & WastewaterMiningMarine & OffshoreFactory Automation

Technologies & Expertise

WeOS unified network operating systemIndustrial-grade cybersecurity (firewall, VPN, 802.1X)Extended temperature networking (-40 to +70C)Ethernet over existing copper/coax infrastructure

Company facts

Headquarters: Västerås, Sweden
Founded: 1975
Employees: 480 employees
Ownership: Wholly owned subsidiary of Ependion

Visit website LinkedIn Email

Profile transparency

Data status: Publicly researched profile
Sources: Official website, public company and product pages
Last reviewed: April 2026

Publicly researched profile. Supplier information is based on publicly available company and product information and can be corrected, claimed, or removed on request.

Sources

Is this your company profile?

This profile is based on publicly available information. You can claim it, suggest a correction, or request removal.

Claim this profile Request a correction Request removal Report inaccurate data