If anyone can help you find a plater this is the place.
I'm sure you have already checked these out but just in case,
Cadmium
1. www.queencityplating.com Queen City Plating 425-315-1992 (Washington)
2. No known website:Aero Metal Plating, (Fenton, Missouri)
3. www.eps-plating.net Electro Plating Specialties 510-786-1060 (California)
4. No known website: ED Coat, 510-832-8104 (Oakland, California)
5. No known website: Sanford Plating, 650-327-5172 (Menlo Park, California)
6. No known website: Tech Plating, 714-634-9254 (California)