| Name | Country | Region | Address |
|---|---|---|---|
| Regul Firm | Russia | Moscow | |
| Regul Firm | Russia | Moscow | |
| Reiko Baum & Michael Baum | USA | ||
| Rein Lepp | Estonia | ||
| Rein Meldre | Estonia | ||
| Rein Pill | |||
| Rein V.Ia. (Kaz) | Kazakhstan | ||
| Reindl Maria | Austria | ||
| Rejsino | Russia | Leningrad region | |
| Rejvoldova Michaela (Cheh) | Czech Republic |