This is not an endorsement, nor is it comprehensive. This is just providing a list, not a specific description. Since products, offerings, and services change, no attempt is made at a categorization. Also, no judegement is passed on how deeply involved any of these companies are with ICS. Please contribute as there are definitely plenty of companies missing from this list still.
- Abatis
- ABB
- Accenture
- AECOM
- Aperio
- Applied Communication Sciences
- Applied Risk
- BAE Systems
- Bayshore Networks
- Bechtel
- Bedrock
- Belden
- Carbon Black
- Checkpoint
- Cisco
- Claroty
- CyberArk
- CyberX Labs
- Cylance
- Darktrace
- Dragos
- Eaton - Cooper Power Systems
- Enernex
- FireEye/Mandiant
- Fortinet
- FoxGuard Solutions
- GE
- Grid Protection Alliance
- GRIMM
- Honeywell
- IBM
- Inductive Automation
- Indegy
- IOActive
- IPERC
- ISA Secure
- Kaspersky
- Kenexis
- Leidos
- Minerva Labs
- Mocana
- mPrest
- N-dimension
- NexDefense
- NextNine
- Nozomi Networks
- OPSWAT
- OSI
- OSIsoft
- Palo Alto Networks
- Parsons
- PAS
- PFP Cybersecurity
- Phoenix Contact
- Protectwise
- Radiflow
- Raytheon
- Red Trident
- Rockwell Automation
- SCADAfence
- Schneider Electric
- Schweitzer Engineering
- SIGA
- Siemens
- SISCO
- Securicon
- Security Matters
- Sentryo
- Skybox Security
- SOPHOS - Cyberoam
- Symantec
- Synopsys
- Tempered Networks
- Tenable
- TDI Technologies
- TrendMicro
- Triangle Microworks
- Tripwire
- Uptake
- Viasat
- Veracity
- Verve Industrial
- Waterfall Security
- Yokogawa
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