| 5260 | Lawn and garden equipment, repair service (without retail sales of new equipment) | |
| 2893 | Lawn and garden handtools, non-powered, manufacturing | |
| 2921 | Lawn and garden machinery (e.g., hedge trimmers, lawn mowers, tractors), powered, manufacturing | |
| 5239 | Lawn and garden ornaments, retail | |
| 5239 | Lawn and garden supplies, retail | |
| 5234 | Lawn blower/vacuum, retail | |
| 9241 | Lawn bowling clubs | |
| 5149 | Lawn care chemical products, wholesale | |
| 0140 | Lawn care services | |
| 2921 | Lawn edgers, powered, manufacturing | |
| 0140 | Lawn fertilizing services | |
| 3610 | Lawn furniture (except wood, metal, stone and concrete), manufacturing | |
| 3610 | Lawn furniture, metal, manufacturing | |
| 5139 | Lawn furniture, wholesale | |
| 0111 | Lawn grass seed, growing | |
| 5150 | Lawn machinery and equipment, wholesale | |
| 0140 | Lawn maintenance services | |
| 5260 | Lawn mower repair shops | |
| 5260 | Lawn mower sharpening service | |
| 2921 | Lawn mowers (except agricultural type), powered, manufacturing | |
| 2921 | Lawn mowers, non-powered, manufacturing | |
| 0140 | Lawn mowing services | |
| 0140 | Lawn seeding services | |
| 0140 | Lawn spraying services | |
| 4530 | Lawn sprinkler system installation, contractors | |
| 7411 | Lawyers, private practice | |
| 2423 | Laxative preparations, manufacturing | |
| 5139 | Laxatives, wholesale | |
| 2520 | Lay flat tubing, plastics, manufacturing | |
| 4520 | Laying reinforcing rods, bars, mesh and cage, installation | |
| 7499 | Layouts-office, factory (designers, interior) | |
| 3210 | LCD (liquid crystal display) unit screens, manufacturing | |
| 1200 | Leaching of uranium or radium ore at mine site | |
| 3140 | Lead acid storage batteries, manufacturing | |
| 2720 | Lead and lead alloy bar, sheet, strip and tubing, made from purchased metal or scrap | |
| 5142 | Lead and zinc fabricated basic products, wholesale | |
| 2421 | Lead arsenate insecticides, manufacturing | |
| 2411 | Lead based pigments, manufacturing | |
| 4520 | Lead burning, contractors | |
| 2732 | Lead castings (except die-castings), unfinished, manufacturing | |