| 3620 | Glass candlestick manufacturing | |
| 3620 | Glass carboy manufacturing | |
| 3620 | Glass chimney manufacturing | |
| 3620 | Glass clip cup manufacturing | |
| 3620 | Glass cutting | |
| 3620 | Glass decorating | |
| 3620 | Glass engraving | |
| 3852 | Glass eye manufacturing | |
| 3699 | Glass fibre insulation product manufacturing | |
| 3211 | Glass fibre weaving | |
| 5000 | Glass installation on construction project | |
| 3620 | Glass jar manufacturing | |
| 3824 | Glass making machinery manufacturing | |
| 3620 | Glass polishing | |
| 3620 | Glass reflector, lamp, manufacturing | |
| 3620 | Glass staining | |
| 3699 | Glass wool manufacturing | |
| 3211 | Glass wool weaving | |
| 3620 | Glass, curved, for clocks and watches, manufacturing | |
| 3620 | Glass, curved, for sunglasses, not optically worked, manufacturing | |
| 3620 | Glass, except optical lens, grinding | |
| 6100 | Glass, flat, wholesaling | |
| 6100 | Glass, plate, wholesaling | |
| 3691 | Glass-house tank block, clay, manufacturing | |
| 3412 | Glassine bag manufacturing | |
| 3411 | Glassine wrapping paper manufacturing in paper mills | |
| 3620 | Glassware manufacturing | |
| 3119 | Glazed fruit manufacturing | |
| 3119 | Glazed fruit peel product manufacturing | |
| 3419 | Glazed paper manufacturing | |
| 5000 | Glazier, own account | |
| 5000 | Glazing repair work | |
| 9490 | Glider club operation | |
| 3845 | Glider manufacturing | |
| 3812 | Glider, metal furniture, manufacturing | |
| 3420 | Globe cover printing and publishing | |
| 3522 | Globule manufacturing | |
| 3220 | Glove cutting and sewing | |
| 3213 | Glove knitting | |
| 3231 | Glove leather manufacturing | |