| Firmaregister | Aa-A | 1-2 | ||
| Firmaregister | B | 23-24 | ||
| Firmaregister | C | 43-44 | ||
| Firmaregister | D | 63-64 | ||
| Firmaregister | Damp- | 75-76 | ||
| Firmaregister | E | 87-88 | ||
| Firmaregister | F | 109-110 | ||
| Firmaregister | Forsikring- | 131-132 | ||
| Firmaregister | G | 141-142 | ||
| Firmaregister | H | 163-164 | ||
| Firmaregister | I-J | 187-188 | ||
| Firmaregister | K | 229-230 | ||
| Firmaregister | K | Im- In- (fortsatt) | 231 | |
| Firmaregister | K | 234 | ||
| Firmaregister | Kristiania- Oslo- | 251-252 | ||
| Firmaregister | L | 273-274 | ||
| Firmaregister | M | 295-296 | ||
| Firmaregister | N | 317-318 | ||
| Firmaregister | Nord- | 329-330 | ||
| Firmaregister | Norsk- | 341-342 | ||
| Firmaregister | O | 363-364 | ||
| Firmaregister | P | 375-376 | ||
| Firmaregister | Q | 395-396 | ||
| Firmaregister | R | 397-398 | ||
| Firmaregister | S | 419-420 | ||
| Firmaregister | T | 441-442 | ||
| Firmaregister | U | 463-464 | ||
| Firmaregister | V-W | 467-468 | ||
| Firmaregister | Y-Z | 511-512 | ||
| Firmaregister | Y-Z-Æ | 513-514 | ||
| Firmaregister | Z-Æ-Ø | 515-516 | ||
| Firmaregister | Ø | 517-518 | ||
| Firmaregister | Aksjeselskap- | 539-540 |