Top contributors to the Volvo 1800 register
| Name | Conutry | Number of cars |
|---|---|---|
| Transportstyrelsen |  | 1680 |
| V1800reg.org |  | 1535 |
| VOC 1800 Register |  | 561 |
| DMV Oregon | | 432 |
| DMV Washington | | 421 |
| George Minassian |  | 413 |
| Volvo 1800ES Register NL |  | 254 |
| Kevin Price, Volvo Entusiasts Club | | 239 |
| Nick Tarlton | | 230 |
| The Saint Register |  | 217 |
| Georges Houze | | 180 |
| French P1800 Club | | 123 |