| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 3429 | Door opening and closing devices, except electrical | * |
| 2431 | Door trim, wood | * |
| 2431 | Door units, prehung: wood and covered wood | * |
| 3612 | Doorbell transformers, electric | 23 |
| 5211 | Doors – retail | 41 |
| 2431 | Doors, combination screen-storm: wood | * |
| 3089 | Doors, folding: plastics or plastics coated fabric | 168 |
| 3442 | Doors, louver: all metal or metal frame | 15 |
| 3231 | Doors, made from purchased glass | 25 |
| 3442 | Doors, metal | 15 |
| 3499 | Doors, safe and vault: metal | * |
| 2431 | Doors, wood and covered wood | * |
| 2851 | Dopes, paint | 50 |
| 3732 | Dories, building and repairing | * |
| 7021 | Dormitories, commercially operated | * |
| 1522 | Dormitory construction-general contractors | * |
| 8734 | Dosimetry, radiation | 51 |
| 3556 | Dough mixing machinery | * |
| 2045 | Dough, biscuit – made from purchased materials | * |
| 2041 | Dough, biscuit – made in the same establishment | * |
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* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
