| 5131 | Beachwear, women's and misses', wholesale | |
| 3150 | Beacon, lighthouse, non-flashing, electrical, manufacturing | |
| 3699 | Bead work articles, manufacturing | |
| 3699 | Beaded novelties, manufacturing | |
| 2922 | Beader machines, metalworking, manufacturing | |
| 1729 | Beading on textile products (except clothing), for the trade | |
| 3699 | Beads, unassembled, manufacturing | |
| 2926 | Beaming machines, yarn, manufacturing | |
| 1711 | Beaming wool yarn | |
| 1711 | Beaming yarn | |
| 2022 | Beams, glued-laminated or pre-engineered wood, manufacturing | |
| 2010 | Beams, wood, made from logs or bolts | |
| 6302 | Bean cleaning and warehousing | |
| 0140 | Bean cleaning service | |
| 6302 | Bean elevators (except sales) | |
| 0111 | Bean farming (field crop) | |
| 0111 | Bean farming, dry, field and seed | |
| 0112 | Bean farms (except dry beans) | |
| 0112 | Bean growing, snap (wax and green) | |
| 0112 | Bean sprout farming, grown under cover | |
| 1513 | Beans, baked, canning | |
| 5121 | Beans, dry bulk, wholesale | |
| 5121 | Beans, dry, wholesale | |
| 5121 | Beans, inedible, wholesale | |
| 5121 | Beans, unshelled, wholesale | |
| 5142 | Bearing piles, iron and steel, wholesale | |
| 2893 | Bearing pullers, handtools, manufacturing | |
| 3430 | Bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing | |
| 2913 | Bearings, ball and roller, manufacturing | |
| 2913 | Bearings, plain (except internal combustion engines), manufacturing | |
| 5150 | Bearings, wholesale | |
| 2029 | Bearings, wood, manufacturing | |
| 9302 | Beauticians | |
| 9302 | Beauty and barber shops, combined | |
| 5139 | Beauty care appliances, electric, wholesale | |
| 8090 | Beauty culture schools | |
| 5150 | Beauty parlour equipment and supplies, wholesale | |
| 9302 | Beauty parlours | |
| 5139 | Beauty preparations, wholesale | |
| 9302 | Beauty salons | |