| Jenny Science AG Sandblatte 7a Rain, ,CH-6026 Switzerland | Linear Motor | |
| Johnson Electric Group 10 Progress Drive Shelton, CT,06484 US | Systems | |
| Joyce Dayton Corporation P.O. Box 1630 Dayton, OH,45401 USA | Linear Actuator | |
| JVL International ApS Blokken 42 Birkeroed, ,3460 Denmark | Motors , AC Motor , EtherNet IP , Networking , DC Motor , Profibus , Servo Motor , Stepper Motor , Motor Control , Servo Drive Amplifier , Motion Controllers , Systems | |
| J.R. Kerr Automation Engineering 1757 E. Bayshore Road - #13 Redwood City, CA,94063 USA | Systems | |
| Japanses Products Corporation 120 Fiske Street Fairfield, CT,06825 USA | Motors | |
| Jetter UK Ltd Leighswood House Aldridge, ,WS9 8AH UK | Robotics | |
| John S Barnes / Haldex Hydraulics 214 James Farm Road Statesville, NC,28625 | Hydraulic |








