| 5149 | Fertilizers, agricultural, wholesale | |
| 5149 | Fertilizers, liquid chemical, wholesale | |
| 2412 | Fertilizers, mixed, made in plants not manufacturing fertilizer materials | |
| 2412 | Fertilizers, mixed, made in plants producing nitrogenous fertilizer materials | |
| 2412 | Fertilizers, mixed, made in plants producing nitrogenous or phosphatic fertilizer materials | |
| 2412 | Fertilizers, mixed, made in plants producing phosphatic fertilizer materials | |
| 2412 | Fertilizers, natural organic (except compost), manufacturing | |
| 2412 | Fertilizers, of animal waste origin, manufacturing | |
| 2412 | Fertilizers, of sewage origin, manufacturing | |
| 5239 | Fertilizers, retail | |
| 2921 | Fertilizing machinery, farm type, manufacturing | |
| 9214 | Festival (except film festivals) organizers, without facilities | |
| 9214 | Festival of arts (except film) promoters, without facilities | |
| 9212 | Festivals, film, with or without facilities | |
| 2423 | Fever remedy preparations, manufacturing | |
| 4540 | Fibre board tiles and panels, installation | |
| 2102 | Fibre cans and drums (i.e., fibre body, ends of any material), made from purchased paperboard | |
| 5149 | Fibre cans and drums, wholesale | |
| 3699 | Fibre dressing, brush making | |
| 3610 | Fibre furniture, household, manufacturing | |
| 3130 | Fibre optic cable, individually-sheathed strands, manufacturing | |
| 3120 | Fibre optic connectors, manufacturing | |
| 4530 | Fibre or wool insulation, installation | |
| 2102 | Fibre spools, reels and blocks, made from purchased paperboard | |
| 2102 | Fibre tubes, made from purchased paperboard | |
| 2021 | Fibreboard, manufacturing | |
| 3430 | Fibreglass automobile body skins, manufacturing | |
| 3512 | Fibreglass boats, building | |
| 1729 | Fibreglass fabric, narrow woven (i.e., 30 cm/12 in. or less in width), weaving | |
| 1711 | Fibreglass fabrics, broad-woven, weaving | |
| 5131 | Fibreglass fabrics, wholesale | |
| 2520 | Fibreglass gasket material for wood stoves, manufacturing | |
| 5143 | Fibreglass insulation materials, wholesale | |
| 2610 | Fibreglass insulation products, manufacturing | |
| 2430 | Fibres and filaments, artificial, manufacturing | |
| 2430 | Fibres and filaments, cellulosic, manufacturing and texturizing | |
| 2430 | Fibres and filaments, man-made, manufacturing | |
| 2430 | Fibres and filaments, non-cellulosic, manufacturing and texturizing | |
| 2430 | Fibres and filaments, synthetic, manufacturing | |
| 2699 | Fibres, carbon and graphite, manufacturing | |