There are places that do it. Search vacuum chrome metalizing online. The place we were using closed, so currently cannot recommend anyone. You want a place the specializes in classic auto. I always look for where the high-end Ford and Chrysler guys go. People doing hemi, Shelby and Boss cars.
I am having my armrest done by Just Dashes and they are getting the bases redone for me by someone else. I should be getting them soon as it has been 6 months. I will find out the process they used and if it is what you need if you haven't found someone by then. The guy I used for my glove box, Heater bezel and instrument bezel passed away last year. He was top notch. You might try Sihilling Polishing in santa Ana California. He has connections and may be able to recommend someone.