| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 3931 | Organs, all types: e.g., pipe, reed, hand, street, barrel, electronic, player | 10 |
| 3446 | Ornamental and architectural metalwork | * |
| 3299 | Ornamental and architectural plaster work: e.g., mantels and columns | * |
| 0783 | Ornamental bush planting, pruning, bracing, spraying, removal, and surgery | * |
| 1799 | Ornamental metalwork-contractors | * |
| 0783 | Ornamental tree planting, pruning, bracing, spraying, removal, and surgery | * |
| 2431 | Ornamental woodwork: e.g., cornices and mantels | * |
| 3231 | Ornamented glass, made from purchased glass | 25 |
| 3699 | Ornaments, Christmas tree: electric | * |
| 3961 | Ornaments, costume: except precious metal and gems | * |
| 3131 | Ornaments, shoe | * |
| 8361 | Orphanages | * |
| 2899 | Orris oil | * |
| 2865 | Orthodichlorobenzene | * |
| 3843 | Orthodontic appliances | 40 |
| 8072 | Orthodontic appliances made in dental laboratories to order for the profession | * |
| 8021 | Orthodontists, offices of | * |
| 5999 | Orthopedic and artificial limb stores – retail | * |
| 3842 | Orthopedic devices and materials | 187 |
| 5047 | Orthopedic equipment – wholesale | 106 |
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* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
