There’s a local Vancouver company that has their own rivian running boards https://orkoauto.com/products/rivian-r1s-r1t-running-boards-rock-sliders-step-rails Seems they use https://www.drxauto.com/ for local installs. Never used either, just saw it mentioned on Reddit.
Worth checking out? My son has a science project coming up and thought he might get some ideas from this conference. He’s free and I’ve got 50% off code from bchydro.