 | |
| |
| 6122 |
| |
| 0121 |
| |
| 2182 |
| |
| 2152 |
Oatmeal mfg (for human consumption)
| |
| 2152 |
Oats, hulled or shelled, mfg
| |
| 2152 |
Oats, kilned or unkilned, mfg
| |
| 7810 |
Observatory operation (except university)
| |
| 8611 |
Obstetric hospital operation
| |
| 8622 |
Obstetrician (own account)
| |
| 8639 |
Occupational therapy service
| |
| 6301 |
Ocean cruise services (between domestic and foreign ports)
| |
| 6302 |
Ocean cruise services (between domestic ports)
| |
| 7822 |
Oceanographic surveying service
| |
| 2862 |
| |
| 7866 |
| |
| 2922 |
Office furniture, sheet metal, mfg
| |
| 2921 |
Office furniture, wooden, mfg
| |
| 2411 |
Office machine paper rolls mfg
| |
| 7743 |
Office machinery or equipment hiring
| |
| 2841 |
| |
| 1520 |
Oil and gas field services n.e.c.
| |
| 2869 |
Oil burners, industrial, mfg
| |
| 4233 |
| |
| 2851 |
Oil heaters, household, mfg
| |
| 5234 |
Oil heaters, household, retailing
| |
| 2510 |
Oil or grease base stock, lubricating mfg
| |
| 4122 |
Oil refineries construction (except buildings)
| |
| 1200 |
| |
| 4523 |
Oil treating compounds wholesaling
| |
| 4523 |
Oils or fats wholesaling (except tallow, lard or cooking oils or fats)
| |
| 4521 |
Oils or greases, industrial or lubricating, wholesaling
| |
| 0121 |
| |
| 2543 |
| |
| 2535 |
| |
| 0119 |
| |
| 0113 |
| |
| 1420 |
| |
| 9241 |
| |
| 9252 |
| |
| 7855 |
Operations research service (commercial)
| |
| 2831 |
| |
| 2831 |
Ophthalmic instruments mfg
| |
| 8622 |
Ophthalmologist (own account)
| |
| 8632 |
| |
| 2852 |
Optical fibre cable, insulated, mfg
| |
| 2839 |
Optical fibre cable, uninsulated, mfg
| |
| 2610 |
| |
| 2831 |
Optical instruments or equipment mfg
| |
| 2831 |
| |
| 8632 |
| |
| 8623 |
Oral pathologist (own account)
| |
| 8623 |
Oral surgeon (own account)
| |
| 4519 |
Orchard supplies wholesaling n.e.c.
| |
| 9241 |
| |
| 2769 |
| |
| 2531 |
| |
| 2742 |
Ornamental architectural aluminium work mfg
| |
| 2749 |
Ornamental architectural metalwork mfg (except aluminium)
| |
| 2629 |
Ornamental china goods mfg (except tiles)
| |
| 2635 |
Ornamental concrete or terrazzo products mfg
| |
| 2610 |
| |
| 0111 |
| |
| 8623 |
Orthodontist (own account)
| |
| 8622 |
Orthopaedic specialist (own account)
| |
| 8632 |
| |
| 8636 |
| |
| 8622 |
Otorhinolaryngologist (own account)
| |
| 2869 |
| |
| 5245 |
Outboard motors retailing
| |
| 2921 |
Outdoor furniture, wooden, mfg
| |
| 2239 |
Outerwear, knitted, mfg (from fabrics knitted at the same unit except hosiery, cardigans or pullovers)
| |
| 2242 |
Outerwear, women's or girls', mfg (except from fabrics knitted at the same unit or from fur, leather, plastic or rubber)
| |
| 7861 |
| |
| 2549 |
| |
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