| atascosa mining co. C5635-1977 | Domestic Corporation | Dissolved Not in good standing | Secretary | MORRISON KNUDSEN PLAZA, P.O. BOX 73, BOISE ID 83729 | 1977 |
| emkay capital investments, inc. C4119-1986 | Domestic Corporation | Dissolved Not in good standing | President | 720 PARK BLVD, P.O. BOX 73, BOISE ID 83729 | 1986 |
| emkay development company, inc. C390-1970 | Domestic Corporation | Merged Not in good standing | President | MORRISON KNUDSEN PLAZA, P.O. BOX 73, BOISE ID 83729 | 1970 |
| harbert-yeargin inc. C2979-1982 | Foreign Corporation | Withdrawn Not in good standing | President | 720 PARK BLVD, PO BOX 73, BOISE ID 83729 | 1982 |
| mk construction, inc. C15802-1993 | Domestic Close Corporation | Dissolved Not in good standing | President | 720 PARK BLVD, BOISE ID 83729 | 1993 |
| mk train control, inc. C3392-1994 | Domestic Corporation | Dissolved Not in good standing | President | 720 PARK BLVD, P.O. BOX 73, BOISE ID 83729 | 1994 |
| morrison-knudsen engineers, inc. C238-1945 | Domestic Corporation | Dissolved Not in good standing | President | 720 PARK BLVD, BOISE ID 83729 | 1945 |
| navasota mining company, inc. C7339-1980 | Domestic Corporation | Dissolved Not in good standing | Secretary | MORRISON KNUDSEN PLAZA, P.O. BOX 73, BOISE ID 83729 | 1980 |
| stearns catalytic corporation C3817-1986 | Foreign Corporation | Withdrawn Not in good standing | President | 720 PARK BLVD, PO BOX 73, BOISE ID 83729 | 1986 |
