|
| 1320 | Lead concentrates | |
| 2732 | Lead die-castings, unfinished, manufacturing | |
| 2720 | Lead foil, made from purchased foil | |
| 4540 | Lead lining walls for x-ray room, contractor | |
| 1320 | Lead ore milling | |
| 1320 | Lead ore mining | |
| 5142 | Lead ore, wholesale | |
| 2411 | Lead oxides (except pigments), manufacturing | |
| 9000 | Lead paint removal contractors | |
| 2411 | Lead pigments, manufacturing | |
| 5142 | Lead primary forms and basic shapes, wholesale | |
| 2720 | Lead rolling, casting and extruding | |
| 2720 | Lead rolling, drawing or extruding, purchased metal or scrap | |
| 5149 | Lead scrap, wholesale | |
| 2411 | Lead silicate, manufacturing | |
| 2720 | Lead smelting and primary refining | |
| 2699 | Lead, black (i.e., natural graphite), ground, refined or blended, manufacturing | |
| 2720 | Lead, recovering from scrap and/or alloying purchased metals | |
| 5142 | Lead, wholesale | |
| 1320 | Lead, zinc, ore, beneficating | |
| 3150 | Lead-in wires, electric lamp, made from purchased wire, manufacturing | |
| 5143 | Leads in oil, wholesale | |
| 1320 | Lead-zinc ore milling | |
| 1320 | Lead-zinc ore mining | |
| 0200 | Leaf collecting | |
| 2893 | Leaf skimmers and rakes, swimming pool, non-powered, manufacturing | |
| 2899 | Leaf springs, manufacturing | |
| 1600 | Leaf tobacco processing and aging | |
| 0111 | Leaf tobacco, farm dried, growing | |
| 5121 | Leaf tobacco, raw, wholesale | |
| 9900 | League of Arab States | |
| 3312 | Leak detectors, water, manufacturing | |
| 9112 | Learned societies | |
| 7320 | Learning disability research and development services | |
| 7130 | Lease and maintenance of aquariums | |
| 7129 | Lease and rent air compressor units | |
| 7122 | Lease semi-mobile cranes (without operator) | |
| 1120 | Lease tanks, oil and gas field, erecting, cleaning and repairing, on acontract basis | |
| 1912 | Leashes, dog, manufacturing | |
| 7111 | Leasing automobiles | |
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