It's mostly just Honda. I asked Marty if he did anything for Scion/Toyota and he didn't. So I don't think they do domestic.. Just checked the website, it's Audi, VW, Honda/Acura, Subaru. I heard about him on the Honda forum.. these axles are insanely good, only problem I had was didn't pay attention to a torn cv boot, had to replace the axle from Marty.