| Abbreviation | Definition |
|---|---|
| ACEC | Association of Consulting Engineers of Canada |
| ACEC,LLC | Advanced Controls Engineering Consultants, LLC |
| ACEDW | Ace Drywall Finishing |
| ACEI | Association for Cultural Economics International |
| ACEI | Association of Consulting Engineers of Ireland |
| ACEP | Association for Comprehensive Energy Psychology |
| ACES | American Construction & Education Service, Inc. |
| ACES | Amp Cooperative Electronic Subcontractors |
| ACES | Associated Computer Engineers and Scientists |
| ACEU | Air Corporation Employees Union |
| ACF | Ambuja Cement Foundation |
| ACF | American Car Foundry |
| ACF | American Coach Foundries |
| ACFA | Asian Clean Fuels Association |
| ACFC | Agro Chemical and Food Company |
| ACFC | American Cash Flow Corporation |
| ACFC | Atlantic Coast Federal Corporation |
| ACFC | Atlantic Coast Financial Consultants, Inc. |
| ACFC | Atlantic Coast Financial Corpor |
| ACFC | Atlantic Coast Financial Corporation |