| Abbreviation | Definition |
|---|---|
| AIEMA | Associate member of the Institute of Environmental Management and Assessment. |
| AMCD | Aerospace Medical Certification Division |
| AOCM | Air Operator Certification Manual |
| APAC | Annual Payback Activities Certification |
| APC | Advance Payment Certificate |
| APCE | Associated Persons Certification Exam |
| APCL | Accreditation of Prior Certified Learning |
| AQSIQ | Administration of Quality Supervision,Inspection and Quarantine |
| ARTC | Alternative Routes to Certification |
| ASAC | Axis System for Auditing and Certification |
| ASCA | Arab Society of Certified Accountants |
| ASCPA | Alabama Society of Certified Public Accountants |
| ATC | Athletic Training Certification |
| ATCP | Alternative Teacher Certification Program |
| ATCP | Amsalternative Teacher Certification Programs |
| BCABA | Board Certified Assistant Behavior Analyst |
| BCABA | Board Certified Associate Behavior Analyst |
| BCACP | Board Certified Ambulatory Care Pharmacy |
| BCBA | Board Certified Behavior Analysis |
| BCBA | Board Certified Behavior Analyst |