| Abbreviation | Definition |
|---|---|
| ACM | Association of Configuration Management |
| ACMA | Advisory Centre For Marketing Activities |
| ACMA | American Composites Manufacturers Association |
| ACMC | Accurate Corrosion Monitoring Company |
| ACMC | American Chocolate Mould Company |
| ACMG | Air Cargo Management Group |
| ACMT | Approved Contract Manufacturer Trader |
| ACN | ACN Inc not |
| ACN | Australian Company Number |
| ACN | Company News |
| ACOA | Alaska Campground Owners Association |
| ACOC | Aluminum Company Of Canada |
| ACOF | A Company of Friends |
| ACOHA | Advanced Care Oncology Hematology Associates LLC |
| ACOHA | Advanced Care Oncology & Hematology Associates LLC |
| ACPA | Air Canada Pilots Association |
| ACPI | American Consumer Products, Inc. |
| ACPI | America's Cup Properties Inc |
| ACPI | Animation Council of the Philippines, Inc |
| ACPL | Attock Cement Pakistan Ltd |