|
| 3150 | Lighting fixtures, residential, electric (e.g., garden, patio, walkway, yard), manufacturing | |
| 3150 | Lighting fixtures, residential, electric, manufacturing | |
| 3190 | Lighting fixtures, vehicular, manufacturing | |
| 7493 | Lighting maintenance service (i.e., bulb and fuse replacement and cleaning) | |
| 4530 | Lighting systems, electric, installation | |
| 9214 | Lighting technicians, theatrical, independent | |
| 3110 | Lighting transformers, fluorescent, manufacturing | |
| 3110 | Lighting transformers, street and airport, manufacturing | |
| 5150 | Lightning arresters, wholesale | |
| 3120 | Lightning arrestors and coils, manufacturing | |
| 4530 | Lightning protection equipment contractor | |
| 3120 | Lightning protection equipment, manufacturing | |
| 4530 | Lightning rods and conductors, installation | |
| 3120 | Lightning rods, manufacturing | |
| 3150 | Lights, yard, electric, manufacturing | |
| 2413 | Lignin plastics, manufacturing | |
| 1020 | Lignite mining | |
| 4510 | Lignite mining services, on a contract basis | |
| 4510 | Lignite stripping service, on a contract basis | |
| 3311 | Limbs, artificial, manufacturing | |
| 5143 | Lime (except agricultural), wholesale | |
| 5234 | Lime and plaster dealers, retail | |
| 0113 | Lime groves and farms | |
| 2429 | Lime oil, manufacturing | |
| 1410 | Lime rock, ground, mining | |
| 0140 | Lime spreading | |
| 0140 | Lime spreading for crops | |
| 0140 | Lime spreading service, agricultural | |
| 2421 | Lime sulphur fungicides, manufacturing | |
| 5149 | Lime, agricultural, wholesale | |
| 2694 | Lime, manufacturing | |
| 5143 | Lime, wholesale | |
| 1410 | Limestone (except bituminous), crushed and broken stone, quarrying | |
| 1410 | Limestone crushing, on contract | |
| 1410 | Limestone cutting (quarrying) | |
| 1410 | Limestone mining | |
| 1410 | Limestone quarry | |
| 1421 | Limestone, agricultural, mining | |
| 1429 | Limestone, bituminous quarrying | |
| 1410 | Limestone, building stone, rough, mining | |
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