Profile: Spencer Plating Co., Inc. is a full service metal finishing company. We specialize in polishing & buffing, powder coating and abrasive bead blasting. Our finishing processes include plating, anodizing, electro-polishing and passivating. We polish various metals such as aluminum, steel, stainless steel, brass, copper, bronze and white metals. We serve semiconductor, pharmaceutical, medical, electronics, tool and pump industries.