| 8532 | Rehabilitation centre services | |
| 8519 | Rehabilitation centres, outpatient (medical treatment) | |
| 8531 | Rehabilitation centres, residential, with health care incidental | |
| 8519 | Rehabilitation clinics, out-patient | |
| 8532 | Rehabilitation counselling and training, vocational | |
| 8511 | Rehabilitation hospitals | |
| 8511 | Rehabilitation hospitals, drug addiction and alcoholism | |
| 7523 | Rehabilitation services (correctional institution), federal government | |
| 7523 | Rehabilitation services, provincial government (correctional) | |
| 0122 | Reindeer farming | |
| 2101 | Reinforced paper, made from purchased paper | |
| 5142 | Reinforcement mesh, wire, wholesale | |
| 2899 | Reinforcing mesh, concrete, made from purchased wire | |
| 4520 | Reinforcing rods, bars, mesh and cage, installation | |
| 5142 | Reinforcing rods, steel, wholesale | |
| 6603 | Reinsurance carriers, accident and health | |
| 6601 | Reinsurance carriers, life | |
| 6601 | Reinsurance, life | |
| 8519 | Related care institutes (related to hospitals) | |
| 3312 | Relays (except electrical, electronic), instrument, manufacturing | |
| 3120 | Relays, electrical, manufacturing | |
| 3120 | Relays, instrument, all types, manufacturing | |
| 3120 | Relays, magnetic multipole, manufacturing | |
| 3120 | Relays, manufacturing | |
| 3120 | Relays, switchgear type (protective, auxiliary, regulating), manufacturing | |
| 5150 | Relays, wholesale | |
| 2213 | Release, promotion, and distribution of musical recordings | |
| 8532 | Relief services, temporary | |
| 5239 | Religious book stores, retail | |
| 2221 | Religious books, printing without publishing | |
| 2211 | Religious books, publishers | |
| 2211 | Religious books, publishing and printing combined | |
| 5139 | Religious books, wholesale | |
| 5239 | Religious goods stores (except books), retail | |
| 4520 | Religious institution buildings, construction | |
| 2212 | Religious magazines and periodicals, publisher | |
| 2212 | Religious magazines and periodicals, publishing | |
| 2212 | Religious magazines and periodicals, publishing and printing combined | |
| 9191 | Religious organizations | |
| 9231 | Religious reading rooms | |