| AACI | Abbey & Abbey Consultants, Inc. 
| Others |
| AACI | Accredited Appraiser Canadian Institute
| Others |
| AACI | Afresh Approach Consulting, Inc.
| Others |
| AACI | African American Community Initiative
| Others |
| AACI | Alexander Arnold Constantine Issigonis
| Others |
| AACI | American Academic Competition Institute
| Others |
| AACI | American Accreditation Commission International
| Others |
| AACI | American Anti Cancer Institute
| Others |
| AACI | American Anti Corruption Institute
| Others |
| AACI | American Association of Cancer Institutes
| Others |
| AACI | American Association of Crop Insurers
| Others |
| AACI | American Auto Club International
| Others |
| AACI | Anglo-American Committee of Inquiry
| Others |
| AACI | Asian American Connection Institution
| Others |
| AACI | Asian Americans for Community Involvement
| Others |
| AACI | Assessment Accountability and Continuous Improvement
| Others |
| AACI | Association of American Cancer Institutes
| Others |
| AACI | Association of Americans and Canadians in Israel
| Others |