| Firm Sort descending | City | Region | Country |
|---|---|---|---|
| Robb Leonard Mulvihill LLP | Pittsburgh | PA | United States |
| Roberts Perryman P.C. | Belleville | IL | United States |
| Roberts Perryman P.C. | Edwardsville | IL | United States |
| Roberts Perryman P.C. | Springfield | MO | United States |
| Roberts Perryman P.C. | St. Louis | MO | United States |
| Rudolph Friedmann LLP | Boston | MA | United States |
| Russell Advocaten B.V. | Amsterdam | Netherlands |