PLC
- AAEON
- ABB
- ABB Satt Control
- Advantech
- AEG
- Åkerströms Trux AB
- Alfa Laval
- Alfa Laval Satt Control
- Allen Bradley
- ALSTOM
- Applicom
- ASEA
- Atlas Copco
- B&R
- Baldor
- Balluff
- Beck
- Beckhoff
- Beijer
- Belden Prosoft
- Berg Electronics
- Berger Lahr
- Berthel
- BIZERBA
- Bosch
- Bosch Rexroth
- Brad Harrisson
- British Federal
- Brodersen Teknik
- Brother
- BWO
- Carlo Gavazzi
- CNi Informatica
- Crevis
- Crouzet
- Cutler Hammer
- Danaher
- Danfoss
- Delta Electronics
- EAE
- Eaton
- Ebelt
- Eberle
- ELO
- Emerson
- Endress + Hauser
- EPSON
- ERNI
- ESA
- Eurotherm
- Exor R&D
- Exor Uniop
- Facts
- Fanuc
- FAS Technology
- Festo
- FF Elektroniikka
- Flatman
- Fuji
- Fujitsu
- Furnas
- Garvens
- GEC Automation
- Giddings&Lewis
- Hama
- Hartmann & Braun
- Helmholz
- Hi-Port
- Hilscher
- HIMA
- Hirschmann
- Hitachi
- Hitech
- HMS
- Honeywell
- Horner
- Host Automation
- IBHsoftec
- Idec
- IEI
- IFM Electronic
- IMO
- Indramat
- Intel
- Invensys
- Jetter
- Kaltenbach
- Keba
- Keyence
- Kingmax
- Kingston
- Kollmorgen
- Kontron
- Koyo
- Kuhnke
- Laetus
- Lauer
- Lenze
- Lisec
- Lumberg
- LUTZE
- MACTEC
- Matsushita
- Mecman
- Metso
- Mitsubishi
- Modicon
- Moeller
- Motorola
- MOXA
- Murr
- National Instruments
- Nematron
- Omron
- OPTO 22
- Optronic AG
- OSAI
- Other
- Panasonic
- Parker
- Pepprl+Fuchs
- Philips
- Phoenix
- Pilz
- PLC Direct
- PQI
- Proface
- Red Lion
- Reliance Electric
- Renu electronics
- RIAB
- Saia
- SanDisk
- Schleicher
- Schneider Electric
- Selecontrol
- Selectron
- Seneca
- SEW
- Sharp
- Siemens
- Siemens Texas
- Sigmatek
- Smart
- SMC
- Spectrum Controls
- Sprecher + Schuh
- SSD Ltd
- Sutron
- SY/MAX
- Taian
- Telefrang
- Telemecanique
- Tetra Pak
- Textograf
- Toshiba
- TR Systemtechnik
- Transcend
- Trebing Himstedt
- Turck
- Unipo
- Unitronics
- Valmet
- Viking Components
- VIPA
- Vista Nordson
- Wabco
- Wago
- Weidmuller
- Weintek Labs Inc
- Westfalia Separator
- Wohrle
- XYCOM