Please see below a list of DC controller manufacturers with links to there web site:

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Curtis Instruments - World Wide Outlets - http://www.curtisinst.com/

4QD Ltd - UK - http://www.4qd.co.uk/

Brusa A/g - Switzerland - http://www.brusa.biz/

SRE Controls - Canada - http://www.srecontrols.com/

Alltax Inc - USA - http://www.altraxinc.com/

We often are involved in the project concept stage and as such will supply the motor and controller, the make and model required will depend on the application, please contact our sales office for further details.