NAICS 33281 - Coating, Engraving, Heat Treating, and Allied Activities

This industry comprises establishments primarily engaged in one or more of the following: (1) heat treating metals and metal products; (2) enameling, lacquering, and varnishing metals and metal products; (3) hot dip galvanizing metals and metal products; (4) engraving, chasing, or etching metals and metal products (except jewelry; personal goods carried on or about the person, such as compacts and cigarette cases; precious metal products (except precious plated flatware and other plated ware); and printing plates); (5) powder coating metals and metal products; (6) electroplating, plating, anodizing, coloring, and finishing metals and metal products; and (7) providing other metal surfacing services for the trade. Establishments in this industry coat, engrave, and heat treat metals and metal formed products fabricated elsewhere. Included in this industry are establishments that perform these processes on other materials, such as plastics, in addition to metals.

• Includes establishments performing heat treating, coating, engraving, and related metal surface treatments.
• Covers services applied to metals and some non-metal materials like plastics.
• Encompasses processes such as enameling, lacquering, varnishing, galvanizing, powder coating, and electroplating.
• Establishments typically work on metal components fabricated by other manufacturers.
• Essential for enhancing durability, corrosion resistance, and aesthetic quality of metal products.
• Subject to specialized industry standards and quality certifications.

• Heat treating metals and metal products to alter physical properties.
• Enameling, lacquering, and varnishing metal surfaces.
• Hot dip galvanizing of metal components for corrosion protection.
• Engraving, chasing, or etching metals for identification or decoration.
• Powder coating metals for durable, high-quality finishes.
• Electroplating and anodizing metals to improve corrosion resistance and appearance.
• Applying various metal surfacing treatments as per customer specifications.
• Providing finishing services for trade customers on fabricated metal parts.

• Metal finishing and surface treatment companies.
• Specialized heat treating service providers.
• Industrial coating and plating firms.
• Engraving and etching service businesses.
• Metal fabrication subcontractors offering finishing services.
• Small and medium enterprises focused on metal treatment processes.