United Industrial Chemical Oxidizers

Surface FinisherNew BerlinWI

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Black Oxide Chemical Coating

United Industrial Chemical Oxidizers (UNICO) is a New Berlin, Wisconsin contract manufacturing plant specializing in black oxide and stainless steel black oxide finishing for tool-and-die and general manufactur...

  • 1967 Founded

Technical Capability

Black Oxide Finishing

UNICO provides black oxide finishing as a chemical conversion coating for ferrous and select non-ferrous parts. The service is offered for a wide variety of part sizes and configurations, with hot-process performance suited to military and...

Manufacturer Status

  • MFR.ID Created: 6/5/2026
  • Last Updated: 6/5/2026