Trucking companies in Keystone, SD
6 registered carriers in Keystone, operating 12+ vehicles combined — from official United States registry data.
| Carrier | Activity | Since | Fleet |
|---|---|---|---|
| EDGE LLC | road freight carrier | 2020 | 5 |
| GEOFUNTREK LLC | passenger transport | 2013 | 3 |
| TWISTED IRON TRUCKING LLC | road freight carrier | 2025 | 1 |
| LYNN HANSON | road freight carrier | 1997 | 1 |
| RICK SIEMONSMA | road freight carrier | 1993 | 1 |
| GMX INC | road freight carrier | 2001 | 1 |