| ARBA | Accounting Rotational Business Associate 
| Others |
| ARBA | Adelaide Roots and Blues Association
| Others |
| ARBA | Alabama Road Builders Association
| Others |
| ARBA | American Rabbit and Bunnies Association
| Others |
| ARBA | American Rabbit Breeders Association
| Others |
| ARBA | American Rabbit Bunny Assoc
| Others |
| ARBA | American Rare Breed Assoc
| Others |
| ARBA | American Rare Breed Association
| Others |
| ARBA | American Recognized Bunny Act
| Others |
| ARBA | American Red Brangus Association
| Others |
| ARBA | American Reference Book Annual
| Others |
| ARBA | American Reference Books Annual
| Others |
| ARBA | American Revolution Bicentennial Administration
| Others |
| ARBA | American Rinelander Bunny Association
| Others |
| ARBA | American Romney Breeders Association
| Others |
| ARBA | Army Review Boards Agency
| Others |
| ARBA | Association Rule Based Annotator
| Others |
| ARBA | Ationadditional Retiree Benefit Account
| Others |