| Brand |
Category |
Owner |
| OGIS |
PRE RECORDED COMPUTER PROGRAMS FOR USE |
AMERICAN MANAGEMENT SYSTEMS, INC. |
| OGIS |
EDUCATIONAL SERVICES |
Independent Petroleum Association of America |
| OGIS |
COMPUTER PROGRAMS RECORDED ON MAGNETIC |
OIL & GAS INFORMATION SYSTEMS, INC. |
| | | * No Current Owner |