| 3220 | Haberdashery cutting and sewing | |
| 7113 | Hackney carriage operation | |
| 3909 | Hair and bristle dressing | |
| 3909 | Hair braid manufacturing | |
| 3909 | Hair curler, except rubber, manufacturing | |
| 3559 | Hair curler, rubber, manufacturing | |
| 9591 | Hair dressing | |
| 3523 | Hair dressing, dye, manufacturing | |
| 3833 | Hair drier manufacturing | |
| 3219 | Hair felt goods, except woven felt and hats, manufacturing | |
| 3909 | Hair goods, except haircloth, manufacturing | |
| 3909 | Hair net manufacturing | |
| 3909 | Hair pin manufacturing | |
| 3909 | Hair switch manufacturing | |
| 3909 | Hair wig manufacturing | |
| 3420 | Halftone engraving | |
| 3119 | Halvah manufacturing | |
| 3111 | Ham boiling | |
| 3111 | Ham curing and smoking | |
| 3822 | Hammer and roughage mill manufacturing | |
| 3823 | Hammer, caulking, portable electric or pneumatic, manufacturing | |
| 3823 | Hammer, chipping or riveting, portable electric or pneumatic, manufacturing | |
| 3811 | Hammer, hand tool, manufacturing | |
| 3215 | Hammock manufacturing | |
| 3420 | Hand composition for the trade | |
| 3849 | Hand- drawn vehicle building and repairing | |
| 3833 | Hand drier, electric, manufacturing | |
| 3811 | Hand drill manufacturing | |
| 3212 | Hand embroidering | |
| 3213 | Hand knitting | |
| 9520 | Hand laundry | |
| 3909 | Hand numbering machine manufacturing | |
| 3529 | Hand paste manufacturing | |
| 3909 | Hand seal manufacturing | |
| 3825 | Hand sealer, for gummed tape, manufacturing | |
| 3523 | Hand soap manufacturing | |
| 3909 | Hand stamp manufacturing | |
| 3909 | Hand stamp, metal or rubber, manufacturing | |
| 3909 | Hand stamping device manufacturing | |
| 3811 | Hand tool manufacturing | |