All 8 companies
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| DAKOTA OIL PRODUCERS INC | DB032034 | 1992-08-11 | Inactive | — |
| DIAMOND B BONANZA, LIMITED PARTNERSHIP | DP000189 | 1990-11-26 | Active | — |
| DIAMOND B HENNING, LIMITED PARTNERSHIP | DP000188 | 1990-11-26 | Active | — |
| DIAMOND B LAYTON, LIMITED PARTNERSHIP | DP000192 | 1990-11-26 | Active | — |
| DIAMOND B MIAMI FLOOD, LIMITED PARTNERSHIP | DP000191 | 1990-11-26 | Active | — |
| DIAMOND B PARLINN, LIMITED PARTNERSHIP | DP000187 | 1990-11-26 | Active | — |
| DIAMOND B TAR II, LIMITED PARTNERSHIP | DP000190 | 1990-11-26 | Active | — |
| FERLEY EXPLORATION INC. | DB028697 | 1989-09-12 | Inactive | — |