Onyx Specialty Processing NDT Inspector (Level II Penetrant) Onyx Specialty Processing is a specialty surface finishing company in Decatur, Texas, serving the aerospace and defense industries. Our capabilities include Anodize (Type I, II, and III), Chromate
About Onyx Specialty Processing Onyx Specialty Processing is a specialty surface finishing company in Decatur, Texas, serving the aerospace and defense industries. Our capabilities include Anodize (Type I, II, and III), Chromate Conversion Coating (Chem Film