| Company | WESTERNGECO L.L.C. |
|---|---|
| Address | 3900 ESSEX LANE #1200, HOUSTON, 77027, TX |
| Title | Manager |
| Company | WESTERN ATLAS INC. |
|---|---|
| Address | 3900 ESSEX LANE, #1200, HOUSTON, 77027, TX |
| Title | Secretary |
| Company | BIRD MACHINE COMPANY, INC. |
|---|---|
| Address | 3900 ESSEX STE 1200, HOUSTON, 77027, TX |
| Title | Secretary |
| Company | BIRD MACHINE COMPANY, INC. |
|---|---|
| Address | 3900 ESSEX STE 1200, HOUSTON, 77027, TX |
| Title | Secretary |
| Company | NORTHERN GEOPHYSICAL OF AMERICA, INC. |
|---|---|
| Address | 3900 ESSEXLANE #1200, HOUSTON, 77027, TX |
| Title | Secretary |