All 7 companies
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| BIRD DOG WIND ENERGY, LLC | DL020132 | 2009-11-10 | Active | SIOUX FALLS |
| English Labs HQ, LLC | DL330191 | 2026-06-02 | Active | Sioux Falls |
| English Labs HQ, LLC | DL330191 | 2026-06-02 | Active | Sioux Falls |
| English Labs, LLC | DL319634 | 2026-02-02 | Active | Sioux Falls |
| English Labs, LLC | DL319634 | 2026-02-02 | Active | Sioux Falls |
| HOUWMAN CONSTRUCTION COMPANY | DB039967 | 1998-04-23 | Inactive | — |
| HOUWMAN CONSTRUCTION COMPANY | DB039967 | 1998-04-23 | Inactive | — |