sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Cardinal Basketball Officials Association | *** |
| Conn Building Officials Association | ** |
| Council Bluffs and Ottumwa | ** |
| Commercial Boat Operators Association | ** |
| College Basketball Officials Association | ** |
| Certified Business Opportunity Appraiser | ** |
| Collegiate Basketball Officials Association | * |
| Community Based Organisations Associations | * |