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Dr. Galv KnowledgeBase


Industry Stats


  • 78 galvanizing companies in North America (160 plants)
  • 48 sustaining member companies
    • 6 zinc producers/suppliers
    • 42 services/product suppliers
  • 23 associate galvanizing companies outside North America
  • Approximately 95% of industry capacity


  • Approximately 25 galvanizing companies in North America
  • Approximately 5% of industry capacity


  • 4.4 million tons of galvanized steel in 2016
  • 30% increase since 2012


  • Galvanizing operations – 8,000
  • Zinc Suppliers – 10,000
  • Service and product suppliers – 2,000

Markets Served

  • Utility
  • Agriculture
  • Construction
  • Bridge and Highway
  • Recreation (Stadiums)
  • 36% penetration in 2016

Products Galvanized

Structurals, fasteners, tubing, pipe, wire, nails, reinforcing steel, weldments, complex fabrications, guardrail, and posts


  • Most galvanizing operations are privately held
  • Sales range from $10 million to $50 million
  • Most galvanizing operations do not take title to the steel they galvanize.
  • These operations are called “job” or “custom” galvanizers and they provide a service.


Paint, metalizing, concrete and composites

Galvanizing Process

  1. Cleaning the steel in a degreasing solution.
  2. Pickling in dilute hot sulfuric acid or ambient temperature hydrochloric solution.
  3. Fluxing in an aqueous solution of zinc-ammonium chloride.
  4. Immersing in a bath (kettle) of molten zinc.
  5. Inspection of material for consistent and thorough coating.

AGA members represent approximately 95% of the industry capacity. Non-members are primarily smaller galvanizers, pipe, wire and fence companies, but consolidation has changed the face of the industry in the last 8 years. There are now several multi-plant public and private operators.