Canada

https://nightlife-electronics.com/collections/eurorack-modular

https://moogaudio.com/collections/modular-synthesizers

https://www.technopolismusicgear.com/

https://technosynth.com/

https://cicadasound.ca/collections/modular

https://noirsynthetique.com/collections/

USA

https://www.perfectcircuit.com/modular-synths