Opto 22 Websites:
turbocraft.com
Factory & Industrial Automation Engineering, Prototype Design, System...
Industrial automation engineering machine design analysis systems integration PLC programming prototype mechanical CAD CAM Turbocraft Seattle
dutec.net
duTec Remote Input/Output Systems for Automated Control
Since 1977, duTec has provided a full line of hardware and software for industrial automation, data acquisition, and process control.