| 3220 | Bathrobe cutting and sewing | |
| 3819 | Bathroom fixture, enamelled iron, manufacturing | |
| 3610 | Bathroom fixture, porcelain, manufacturing | |
| 3610 | Bathroom fixture, vitreous china, manufacturing | |
| 3610 | Bathtub, ceramic, manufacturing | |
| 3819 | Bathtub, enamelled iron, manufacturing | |
| 3311 | Battenboard, wooden, manufacturing | |
| 3559 | Battery box and part, rubber, manufacturing | |
| 9513 | Battery service, motor vehicle | |
| 3699 | Battery well and box, concrete, manufacturing | |
| 3219 | Batting manufacturing | |
| 3699 | Bauxite brick manufacturing | |
| 2302 | Bauxite mining | |
| 1301 | Beach seine fishery | |
| 3220 | Beachwear cutting and sewing | |
| 3832 | Beacon, aerodrome, electrical, manufacturing | |
| 3839 | Beacon, lighthouse, flashing, electrical | |
| 3839 | Beacon, lighthouse, mon-flashing, electrical | |
| 3819 | Bead, unstrung, base metal, manufacturing | |
| 3823 | Beader machine, metal, manufacturing | |
| 3909 | Beadwork manufacturing | |
| 3610 | Beaker, ceramic, manufacturing | |
| 3620 | Beaker, glass, laboratory | |
| 3824 | Beaming machine, textile, manufacturing | |
| 3113 | Bean and pork canning | |
| 3116 | Bean splitting and grinding | |
| 9591 | Beauty culture school | |
| 9591 | Beauty parlour | |
| 3909 | Beauty parlour equipment manufacturing | |
| 3411 | Beaver board manufacturing | |
| 3220 | Bed jacket cutting and sewing | |
| 3211 | Bed ticking, in the gray, manufacturing | |
| 3320 | Bed, except primarily of metal, manufacturing | |
| 3812 | Bed, primarily of metal, manufacturing | |
| 3212 | Bedding manufacturing | |
| 3212 | Bedspread cutting and sewing | |
| 3211 | Bedspread fabric manufacturing | |
| 3213 | Bedspread knitting | |
| 3320 | Bedsprings, assembled, manufacturing | |
| 3111 | Beef killing, dressing and packing | |