- Astrum Solar Acquired By Direct Energy
- Astute Imaging Acquisitions
- Astute Software - Club Management Assets Acquired By Gary Jonas Computing
- Astute Software Solutions Acquisitions
- Astute Technology Acquired By Turning Tech Intermediate
- Astute Acquisitions
- Asup Acquired By Maxburg Capital Partners
- Asura Acquired By BB&T Insurance Services
- Asura Risk and Insurance Services Acquired By Alliant Insurance Services
- Asura Technologies Acquired By GB & Partners Investment Management
- Asuragen - miRInform Thyroid Acquired By Interpace Biosciences
- Asuragen - Pancreas Cancer Test Assets Acquired By Interpace Biosciences
- Asuragen Acquisitions
- Asure Software Acquisitions
- Asure Software - Workspace Management Acquired By FM:Systems
- Asurion Acquisitions
- Asurvest Acquired By Assurant
- ASV Global Acquired By L3 Technologies
- ASW Steel Acquired By Ampco-Pittsburgh
- ASWEBO sa Acquisitions
- ASX Energy Acquired By ASX
- ASX Acquisitions
- Asylum Entertainment Acquired By Legendary Entertainment
- Asymblix Acquired By Circuitronics
- Asymmetrik Acquired By BlueHalo
- Asymo AG Acquired By GFT Technologies SE
- Asymptote Acquired By GE Healthcare
- Asymptotic Technologies Acquired By Nordson
- Async Interview Acquired By InterviewStream
- Asynchrony Acquired By World Wide Technology Holding Inc
- Asysco B.V. Acquired By Avanade
- AT Advanced Technologies Asia Pacific Pte Acquired By NV5 Global
- At Home Group Acquired By Hellman & Friedman
- At Home Quality Care Acquired By CareFinders Total Care
- AT Medical UAB Acquired By Esco Micro Pte.
- At Mine Acquired By Paradigm 01
- AT Plastics - AT Films business Acquired By British Polythene Industries
- At Play Creative Acquired By La Visual
- AT Squared Holdings Acquired By Arthur J. Gallagher
- At The Beach Tanning Acquired By Palm Beach Tan
