| 2430 | Zein fibres and filaments, manufacturing | |
| 2411 | Zinc ammonium chloride, manufacturing | |
| 1320 | Zinc and lead mine | |
| 5142 | Zinc and lead, wholesale | |
| 2720 | Zinc and zinc alloy bar, sheet, strip and tubing, made from purchased metal or scrap | |
| 5142 | Zinc and zinc alloy primary forms and basic shapes, wholesale | |
| 2411 | Zinc based pigments, manufacturing | |
| 1320 | Zinc blend ore mining | |
| 1320 | Zinc blende (sphalerite), mining | |
| 2732 | Zinc castings (except die castings), unfinished, manufacturing | |
| 2732 | Zinc castings (except die-castings), manufacturing | |
| 2411 | Zinc chloride, manufacturing | |
| 2411 | Zinc compounds, not specified elsewhere by process, manufacturing | |
| 1320 | Zinc concentrates, mining | |
| 2732 | Zinc die-castings, unfinished, manufacturing | |
| 3710 | Zinc dust, reclaiming | |
| 2720 | Zinc foil and leaf, made from purchased foil | |
| 2411 | Zinc hydrosulphite (i.e., zinc dithionite), manufacturing | |
| 1320 | Zinc mining | |
| 1320 | Zinc ore, mining | |
| 5142 | Zinc ore, wholesale | |
| 2423 | Zinc oxide medicinal preparations, manufacturing | |
| 2411 | Zinc oxide, manufacturing | |
| 2720 | Zinc rolling, casting and extruding | |
| 2720 | Zinc rolling, drawing and extruding, purchased metal or scrap | |
| 2720 | Zinc slabs, ingots and refinery shapes, primary | |
| 2720 | Zinc smelting and primary refining | |
| 2411 | Zinc sulphide, manufacturing | |
| 2720 | Zinc, recovering from scrap and/or alloying purchased metals | |
| 5142 | Zinc, wholesale | |
| 1320 | Zinc-blende (sphalerite) mining | |
| 1320 | Zincite mining | |
| 9199 | Zionist organization | |
| 2929 | Zipper making machinery, manufacturing | |
| 1729 | Zipper tape, weaving | |
| 3699 | Zippers (i.e., slide fasteners), manufacturing | |
| 5131 | Zippers, wholesale | |
| 2720 | Zirconium and zirconium alloy bar, sheet, strip and tubing, made from purchased metal or scrap | |
| 1320 | Zirconium ore mining | |
| 2720 | Zirconium rolling, drawing or extruding, purchased metal or scrap | |