| 3852 | Elbow telescope manufacturing | |
| 3813 | Elbow, sheet metal, manufacturing | |
| 3832 | Electric alarm apparatus manufacturing | |
| 9512 | Electric appliance repairing | |
| 3831 | Electric automotive equipment manufacturing | |
| 3839 | Electric battery manufacturing | |
| 3839 | Electric bell manufacturing | |
| 3833 | Electric bread slicer manufacturing | |
| 3620 | Electric bulb blank, glass, manufacturing | |
| 3832 | Electric burglar alarm manufacturing | |
| 6100 | Electric cable dealing | |
| 3833 | Electric carpet sweeper manufacturing | |
| 3831 | Electric condenser manufacturing | |
| 3831 | Electric controlling instrument manufacturing | |
| 3833 | Electric dehumidifier manufacturing | |
| 3829 | Electric disk stove manufacturing | |
| 3833 | Electric dry shaver manufacturing | |
| 4101 | Electric energy distribution | |
| 4101 | Electric energy generation | |
| 4101 | Electric energy transmission | |
| 3831 | Electric equipment, aircraft, manufacturing | |
| 3831 | Electric equipment, motor vehicle, manufacturing | |
| 3831 | Electric equipment, railway, manufacturing | |
| 3833 | Electric fan, portable, manufacturing | |
| 3832 | Electric fire alarm apparatus manufacturing | |
| 3831 | Electric generator manufacturing | |
| 3833 | Electric humidifier manufacturing | |
| 3620 | Electric insulator, glass, manufacturing | |
| 3610 | Electric insulator, porcelain, manufacturing | |
| 4101 | Electric light and power distribution | |
| 4101 | Electric light and power generation | |
| 3839 | Electric light bulb, complete, manufacturing | |
| 3839 | Electric lighting fixture manufacturing | |
| 3842 | Electric locomotive manufacturing | |
| 6200 | Electric material, wiring supplies, retailing | |
| 6100 | Electric material, wiring supplies, wholesaling | |
| 3851 | Electric measuring instrument manufacturing | |
| 3851 | Electric meter manufacturing | |
| 3831 | Electric motor manufacturing | |
| 3831 | Electric power switchboard and part manufacturing | |