| 9301 | Laundry and drycleaning agents | |
| 1721 | Laundry bags, made from purchased woven or knitted materials | |
| 2424 | Laundry bleaches, formulated for household use, manufacturing | |
| 3599 | Laundry carts, manufacturing | |
| 9301 | Laundry collecting and distributing outlets operated by power laundries | |
| 9301 | Laundry collection agency | |
| 2926 | Laundry extractors, manufacturing | |
| 2899 | Laundry hampers, light gauge metal, manufacturing | |
| 3610 | Laundry hampers, rattan, reed, splint, veneer and willow | |
| 3610 | Laundry hampers, wood, manufacturing | |
| 9301 | Laundry machine routes, coin-operated | |
| 2926 | Laundry machinery and equipment (except household type), manufacturing | |
| 5150 | Laundry machinery and equipment, wholesale | |
| 2930 | Laundry machinery, household (including coin-operated), manufacturing | |
| 2930 | Laundry machines, household, manufacturing (except electric) | |
| 1723 | Laundry nets, made from purchased materials | |
| 1711 | Laundry nets, made in broad fabric weaving mills | |
| 4530 | Laundry plumbing fixtures, installation | |
| 9301 | Laundry services, power (except self-service) | |
| 2424 | Laundry soap, chips and powder, manufacturing | |
| 5139 | Laundry soap, chips and powder, wholesale | |
| 5139 | Laundry soaps, wholesale | |
| 5139 | Laundry starch, wholesale | |
| 4530 | Laundry tubs and hardware, installation | |
| 2899 | Laundry tubs, metal, manufacturing | |
| 2520 | Laundry tubs, plastics, manufacturing | |
| 5143 | Laundry tubs, wholesale | |
| 5020 | Laundry, automobile | |
| 9301 | Laundry, coin-operated | |
| 9301 | Laundry, self-serve | |
| 2411 | Lauric acid esters and amines, manufacturing | |
| 2899 | Lavatories, metal, manufacturing | |
| 2691 | Lavatories, vitreous china, manufacturing | |
| 0500 | Laver gathering | |
| 7511 | Law enforcement statistics centres, government | |
| 7411 | Law firm | |
| 7411 | Law offices | |
| 7411 | Law practices | |
| 8030 | Law schools | |
| 9112 | Law society | |