Coalition for Algoma Passenger Trains (CAPT): http://captrains.ca
Northern and Eastern Ontario Rail Network (NEORN): http://www.neorn.ca/
Rail Action in Lambton (RAIL): http://e-rail.ca
InterCity Rail: http://www.intercityrail.org
Southwestern Ontario Transportation Alliance: http://swota.ca
Move the GTHA: http://movethegtha.com/
UK: Campaign for Better Transport https://bettertransport.org.uk
USA: Rail Passengers Association (formerly NARP): https://www.railpassengers.org