I apologize for the delay in response, but I just stumbled across the site today. We have both of these processes in house, as well as many others including:
Black Nickel
Matte Nickel
Bright Nickel
White Bronze (alternative to bright nickel)
Copper
Oxides in many shades including black
Zinc with clear/blue, yellow, and black
Matte Tin
Clear and tinted lacquers
Hot paint spray
Room temp spray booth
Peen finish (sandblast)
Vibratory finishing
We also have R&D capabilities to meet demands for other finishes.
Shane Moore
smoore@scovill.com