Keystone Corporation Metal Finishing

Keystone Corporation has provided high quality industrial metal finishing and metal plating since 1928.  You can depend on our extensive experience in a wide range of processes to ensure professional results and on-time delivery for all your plating needs.  We are ISO-compliant and can certify to all applicable commercial, automotive, aerospace, and military specifications.

Available Finishes

(check out our Metal Plating page for detailed descriptions)


  • Electroless Nickel - Mid and High Phosphorous Formulations
  • Cadmium - Clear, Yellow, Black, and Olive Drab
  • Copper
  • Gold
  • Nickel - Bright and Sulfamate
  • Silver
  • Tin - Bright, Matte, and Stannate
  • Tin/Lead (Solder)- Bright and Matte
  • Conversion Coatings - Chemical Film for Aluminum, Phosphate for Steel
  • Other Processes - Passivation, Pickel-Passivation, Electropolishing, Cleaning for Oxygen Service

Our precious metals plating division regularly and safely handles the tiniest most delicate parts.  You can trust us with your work, whether big or small.

Please consider us for all of your finishing needs.  To send us a quote request, please click here.




Plated metal parts



144 Milton Street
Buffalo, NY 14210

Phone: (800) 880-9747 or (716) 832-1232 

Fax: 716-248-2580 

Email: [email protected]


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 Phosphate Coating


Keystone Corporation Metal Finishing Metal Plating & Finishing