| Abbreviation | Definition |
|---|---|
| ANC | Association of Noise Consultants |
| AOCF | Association of Outplacement Consulting Firms |
| AOCG | Alpha Omega Consulting Group |
| APAX | AlAyoubi Partners |
| APCS | Asia Pacific Consulting Solutions |
| APSC | Accounts Payable Solution Consultant |
| APTL | Advanced Proactive Teleconsulting Lab |
| AQC | Aviation Quality Consultant |
| ARSE | A Really Stupid Effort |
| ASCA | American Society of Consulting Arborists |
| ASCP | American Society of Consulting Planners |
| ASFC | Atelier Scherer Fair Consulting |
| ATC | Advanced Technology Consulting |
| ATC | Astute Trainers and Consultants |
| AUTC | Alan URBAN Technology and Consulting |
| AVCM | Acoustics and Vibration Consulting Malaysia |
| AWTC | Water Treatment Consulting |
| AZC | Aquarium Zoo Consulting |
| BACG | Boston Academic Consulting Group |
| BACN | Bay Area Consultants Network |