| 1810 | Uniforms, band, cut and sewn from purchased fabric | |
| 1810 | Uniforms, dress (e.g., fire fighter, military, police), mens' and boys', cut and sewn from purchased fabric | |
| 1810 | Uniforms, dress, tailored (e.g., firefighter, military, police), women's and misses', cut and sewn from purchased fabric | |
| 5131 | Uniforms, men's and boys', wholesale | |
| 1810 | Uniforms, non-tailored, men's and boys', cut and sewn from purchased fabric | |
| 1730 | Uniforms, non-tailored, men's and boys', made in knitting mills | |
| 1810 | Uniforms, non-tailored, washable service type, men's, cut and sewn from purchased fabric | |
| 1730 | Uniforms, non-tailored, women's and girls', made in knitting mills | |
| 1810 | Uniforms, non-tailored, women's, misses' and girls', cut and sewn from purchased fabric | |
| 1810 | Uniforms, team athletic, cut and sewn from purchased fabric | |
| 1810 | Uniforms, team athletic, men's and boys', cut and sewn from purchased fabric | |
| 1810 | Uniforms, team athletic, women's, misses' and girls', cut and sewn from purchased fabric | |
| 1810 | Uniforms, washable service apparel (e.g., maids', nurses', waitresses'), women's, misses' and girls', made from purchased fabric | |
| 5131 | Uniforms, women's and children's, wholesale | |
| 9120 | Union organizations | |
| 1810 | Union suits, men's and boys', cut and sewn from purchased fabric | |
| 1730 | Union suits, men's and boys', made in knitting mills | |
| 6603 | Union trust funds | |
| 6603 | Union welfare, benefit and health funds | |
| 2710 | Unions, pipe, metal (except made from purchased pipe), manufacturing | |
| 5232 | Unisex clothing stores, retail | |
| 5131 | Unisex clothing, wholesale | |
| 9302 | Unisex hair stylist shops | |
| 9302 | Unisex hairdressers | |
| 2930 | Unit heaters (except portable, electric), manufacturing | |
| 6599 | Unit investment trusts | |
| 2221 | Unit set forms (e.g., manifold credit card slips), printing | |
| 5150 | Unit substations, wholesale | |
| 4530 | Unitary heating, cooling or air-conditioning equipment, installation | |
| 9191 | United church | |
| 8532 | United fund councils | |
| 8532 | United funds for colleges | |
| 9900 | United Nations | |
| 2913 | Universal joints (except motor vehicle and aircraft), manufacturing | |
| 3530 | Universal joints, aircraft, manufacturing | |
| 3430 | Universal joints, automotive, truck and bus, manufacturing | |
| 8030 | Universities | |
| 7512 | Universities commission, provincial administration | |
| 9199 | University clubs | |
| 7512 | University support program, provincial | |