| L | G | Transportation and Storage Industries |
| L | 45 | Transportation Industries |
| L | 451 | Air Transport Industries |
| L | 4511 | Scheduled Air Transport Industry |
| L | 4512 | Non-Scheduled Air Transport, Chartered, Industry |
| L | 4513 | Non-Scheduled Air Transport, Specialty, Industry |
| L | 452 | Service Industries Incidental to Air Transport |
| L | 4521 | Airport Operations Industry |
| L | 4522 | Aircraft Rental Industry |
| L | 4523 | Aircraft Servicing Industry |
| L | 4529 | Other Service Industries Incidental to Air Transport |
| L | 453 | Railway Transport and Related Service Industries |
| L | 4531 | Railway Transport Industry |
| L | 4532 | Service Industry Incidental to Railway Transport |
| L | 454 | Water Transport Industries |
| L | 4541 | Freight and Passenger Water Transport Industry |
| L | 4542 | Ferry Industry |
| L | 4543 | Marine Towing Industry |
| L | 4544 | Ship Chartering Industry |
| L | 4549 | Other Water Transport Industries |
| L | 455 | Service Industries Incidental to Water Transport |
| L | 4551 | Marine Cargo Handling Industry |
| L | 4552 | Harbour and Port Operation Industry |
| L | 4553 | Marine Salvage Industry |
| L | 4554 | Piloting Service, Water Transport Industry |
| L | 4555 | Marine Shipping Agencies Industry |
| L | 4559 | Other Service Industries Incidental to Water Transport |
| L | 456 | Truck Transport Industries |
| L | 4561 | General Freight Trucking Industry |
| L | 4562 | Used Goods Moving and Storage Industry |
| L | 4563 | Bulk Liquids Trucking Industry |
| L | 4564 | Dry Bulk Materials Trucking Industry |
| L | 4565 | Forest Products Trucking Industry |
| L | 4569 | Other Truck Transport Industries |
| L | 457 | Public Passenger Transit Systems Industries |
| L | 4571 | Urban Transit Systems Industry |
| L | 4572 | Interurban and Rural Transit Systems Industry |
| L | 4573 | School Bus Operations Industry |
| L | 4574 | Charter and Sightseeing Bus Services Industry |
| L | 4575 | Limousine Service to Airports and Stations Industry |
| L | 458 | Other Transportation Industries |
| L | 4581 | Taxicab Industry |
| L | 4589 | Other Transportation Industries n.e.c. |
| L | 459 | Other Service Industries Incidental to Transportation |
| L | 4591 | Highway, Street and Bridge Maintenance Industry |
| L | 4592 | Freight Forwarding Industry |
| L | 4599 | Other Service Industries Incidental to Transportation n.e.c. |
| L | 46 | Pipeline Transport Industries |
| L | 461 | Pipeline Transport Industries |
| L | 4611 | Natural Gas Pipeline Transport Industry |
| L | 4612 | Crude Oil Pipeline Transport Industry |
| L | 4619 | Other Pipeline Transport Industries |
| L | 47 | Storage and Warehousing Industries |
| L | 471 | Grain Elevator Industry |
| L | 4711 | Grain Elevator Industry |
| L | 479 | Other Storage and Warehousing Industries |
| L | 4791 | Refrigerated Warehousing Industry |
| L | 4799 | Other Storage and Warehousing Industries n.e.c. |