| 6010 | Railways, belt line | |
| 6010 | Railways, freight, mainline | |
| 6010 | Railways, freight, short-haul | |
| 6010 | Railways, logging | |
| 6010 | Railways, passenger (except urban transit and scenic and sightseeing) | |
| 3312 | Rain gauges, manufacturing | |
| 5232 | Raincoat stores, retail | |
| 1810 | Raincoats (i.e., waterproof, non-tailored), infants', cut and sewn from purchased fabric | |
| 5131 | Raincoats, men's and boys', wholesale | |
| 1810 | Raincoats, oiling (i.e., waterproofing) | |
| 2519 | Raincoats, rubber or rubberized fabric, manufacturing | |
| 1810 | Raincoats, waterproof (except infants'), cut and sewn from purchased fabric | |
| 1810 | Raincoats, waterproof, children's, cut and sewn from purchased fabric | |
| 1810 | Raincoats, waterproof, women's and misses', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-repellent, infants', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-repellent, non-tailored, men's and boys', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-repellent, non-tailored, women's and misses', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-repellent, tailored, men's and boys', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-repellent, women's and misses', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-resistant, infants', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-resistant, non-tailored, men's and boys', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-resistant, non-tailored, women's and misses', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-resistant, tailored, men's and boys', cut and sewn from purchased fabric | |
| 1810 | Raincoats, water-resistant, women's and misses', cut and sewn from purchased fabric | |
| 5131 | Raincoats, women's and children's, wholesale | |
| 0122 | Raising fur-bearing animals | |
| 0121 | Raising goats | |
| 0122 | Raising hogs | |
| 0121 | Raising horses | |
| 0122 | Raising minks | |
| 0121 | Raising sheep | |
| 1513 | Raisins, made in dehydration plants | |
| 2921 | Rakes, hay, manufacturing | |
| 2924 | Rakes, mechanical, land clearing, manufacturing | |
| 2893 | Rakes, non-powered hand tool, manufacturing | |
| 3210 | RAM (random access memory) chips, manufacturing | |
| 1711 | Ramie spun yarns, manufacturing | |
| 0121 | Ranch, sheep | |
| 5510 | Ranches, dude | |
| 0121 | Ranching, beef cattle | |