I-IC IDIGIL IMINIO IRISIT IV
Index entryNAICS
Code		U.S. NAICS Title
Iridium bar, rod, sheet, strip and tubing made from purchased metals or scrap 331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
Iridium mining and/or beneficiating 212299 All Other Metal Ore Mining
Iridium recovering from scrap and/or alloying purchased metals 331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
Iridium refining, primary 331419 Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)
Iron and steel architectural shapes wholesaling 421390 Other Construction Material Wholesalers
Iron and Steel Mills and Ferroalloy Manufacturing 3311 Iron and Steel Mills and Ferroalloy Manufacturing
Iron based pigments manufacturing 325131 Inorganic Dye and Pigment Manufacturing
Iron castings, unfinished, manufacturing 331511 Iron Foundries
Iron compounds, not specified elsewhere by process, manufacturing 325188 All Other Basic Inorganic Chemical Manufacturing
Iron forgings made from purchased iron, unfinished 332111 Iron and Steel Forging
Iron foundries 331511 Iron Foundries
Iron lungs manufacturing 339113 Surgical Appliance and Supplies Manufacturing
Iron ore (e.g., hematite, magnetite, siderite, taconite) mining and/or beneficiating 212210 Iron Ore Mining
Iron ore agglomerates mining and/or beneficiating 212210 Iron Ore Mining
Iron ore beneficiating plants (e.g., agglomeration, sintering) 212210 Iron Ore Mining
Iron ore mine site development for own account 212210 Iron Ore Mining
Iron ore recovery from open hearth slag 331111 Iron and Steel Mills
Iron ore, blocked, mining and/or beneficiating 212210 Iron Ore Mining
Iron sinter made in steel mills 331111 Iron and Steel Mills
Iron sulphate manufacturing 325188 All Other Basic Inorganic Chemical Manufacturing
Iron work structural, construction contractors 235910 Structural Steel Erection Contractors
Iron, pig, manufacturing 331111 Iron and Steel Mills
Ironers and mangles, household-type (except portable irons), manufacturing 335224 Household Laundry Equipment Manufacturing
Ironing boards, metal, manufacturing 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
Ironing boards, wood, manufacturing 321999 All Other Miscellaneous Wood Product Manufacturing
Irons, household-type electric, manufacturing 335211 Electric Housewares and Household Fan Manufacturing
Irradiation apparatus and tubes (e.g., industrial, medical diagnostic, medical therapeutic, research, scientific), manu 334517 Irradiation Apparatus Manufacturing
Irradiation equipment manufacturing 334517 Irradiation Apparatus Manufacturing
Irradiation of fruits and vegetables 115114 Postharvest Crop Activities (except Cotton Ginning)
Irrigation districts, nonoperating 926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities
Irrigation equipment wholesaling 421820 Farm and Garden Machinery and Equipment Wholesalers
Irrigation equipment, agriculture, manufacturing 333111 Farm Machinery and Equipment Manufacturing
Irrigation pipe, concrete, manufacturing 327332 Concrete Pipe Manufacturing
Irrigation pipe, sheet metal, manufacturing 332322 Sheet Metal Work Manufacturing
Irrigation project construction 234990 All Other Heavy Construction
Irrigation system operation 221310 Water Supply and Irrigation Systems

I-IC IDIGIL IMINIO IRISIT IV
6/ 5/98