Top contributors to the Volvo 1800 register
| Name | Conutry | Number of cars |
|---|---|---|
| Transportstyrelsen |  | 1776 |
| V1800reg.org |  | 1523 |
| VOC 1800 Register |  | 532 |
| DMV Oregon | | 430 |
| DMV Washington | | 419 |
| George Minassian |  | 390 |
| Volvo 1800ES Register NL |  | 234 |
| Kevin Price, Volvo Entusiasts Club | | 228 |
| Nick Tarlton | | 205 |
| Georges Houze | | 184 |
| The Saint register |  | 182 |
| French P1800 Club | | 123 |