| Abbreviation | Definition |
|---|---|
| ACM | Air Conditioning Motor |
| ACM | All China Made |
| ACM | Asbestos Contaminated Material |
| ACMV | Air Conditioning Mechanical Ventilation |
| ACMV | Assist Controlled Mechanical Ventilation |
| ACN | American Communications Network |
| ACORN | Associations Of Communities Organized For Reform Now |
| ACOS | Adjustable Coil Over Spacer |
| ACP | Acoustic Ceiling Products |
| ACP | Aerosol Collector Pyrolyzer |
| ACP | Applica Consumer Products |
| ACP | Automation Control Products |
| ACPG | Activar Construction Products Group |
| ACPI | American Consumer Products, Inc. |
| ACPPA | American Concrete Pressure Pipe Association |
| ACQ | Alkaline Copper Quaternary |
| ACR | Advanced Communications Riser |
| ACR | Air Conditioning / Refrigeration |
| ACR | Anti-Camout Ribs |
| ACRT | Air Conditioning/Refrigeration Technology |