Acton Metal Processing Corporation is a specialty metal working shop. It specializes in black finishing and coating. This includes barrel, basket and rack processing of ferrous metals, copper, brass and bronze castings as well as the passivation of stainless steel. It offers black oxide, black passivation, zinc phosphate, black endurion, black anodizing, clear anodizing, chromating, ebonol, manganese phosphate, parco-lubrite, Parkerizing, solid and dry film lubricants, pickling, sandblasting and glass bead blasting.