| Abbreviation | Definition |
|---|---|
| ACDL | Association of Criminal Defense Lawyers |
| ACDO | Association of Container Depot Operators |
| ACDR | Association Culturelle des Deux Rives |
| ACDS | Association for |
| ACDT | Association of Certified Dermatology Techs |
| ACE | Association for Consultancy and Engineering |
| ACE | Association of Community Employment |
| ACEA | Association des Constructeurs Européens d'Automobiles |
| ACEE | Association of Consulting Electrical Engineers |
| ACEG | Association of Counselors and Educators in Government |
| ACEL | Association of Carriers Equipment Lessors |
| ACEL | Association of Christian Educators of Louisiana |
| ACEM | Association des Constructeurs Européens de Motocycle |
| ACEO | Association of Caribbean Election Organizations |
| ACEO | Association of Caribbean Electoral Organizations |
| ACEQ | Association of Consulting Engineers of Quebec |
| ACERT | Association of Campus Emergency Response Teams |
| ACESS | Association of Clinical Elbow and Shoulder Surgeons |
| ACET | Association for Computer Educators in Texas |
| ACFA | Alabama Charter Fishing Association |