- Acterna Acquisitions
- Acti-Med AG Acquired By Gilde Healthcare
- Actian Acquisitions
- Actief Interim NV Acquisitions
- Actient Pharmaceuticals Acquisitions
- Actiepagina.nl Acquired By RetailMeNot
- ActiFio Acquired By Alphabet
- Actify Data Labs Pvt. Acquired By Voxco
- ActiGraph Acquired By ArchiMed
- Actility SA Acquisitions
- Actimax Acquisitions Acquired By SmartSpace Software
- Actimis Pharmaceuticals Acquired By Boehringer Ingelheim
- Actimize Acquisitions
- Actimo Acquired By Kahoot! AS
- ACTINEO Acquired By Verisk Analytics
- Actio Acquired By Enviance
- Actio IP AS Acquired By Anaqua
- ActioMed Farmacovigilancia SL Acquired By YES Pharmaceutical Development Services
- Action Air Conditioning Heating & Solar Acquired By NearU Services
- Action Assistance Sarl Acquired By Ergalis SAS
- Action Auto Insurance Agency Acquired By Confie Holding II
- Action Automation & Controls Acquired By iAutomation
- Action Beauté Cosmétique Interim Sarl Acquired By Ergalis SAS
- Action Business Systems Acquired By Konica Minolta
- Action Carting Environmental Services Acquired By Brightwood Capital
- Action Compaction Services Acquired By National Waste Partners
- Action Concrete Pumping Acquired By Brundage-Bone Concrete Pumping
- Action Environmental Acquired By Valicor Environmental Services
- Action Equipment and Scaffold Company Acquired By Gemini Investors
- Action Exchange Acquired By Xaxis
- Action Fabrication & Truck Equipment Acquired By Reading Truck Group
- Action Fabricators Acquisitions
- Action Fire Fab & Supply Acquired By Ferguson Fire & Fabrication
- Action Heating & Cooling Acquired By Royal House Partners
- Action Hydraulics Acquired By Hydradyne
- Action Imaging Group Acquired By Flex Technology Group
- Action Industrial Group Acquired By Lewis-Goetz and Company
- Action Industries Acquired By Torsion Group
- Action Information Management Acquired By Trapeze Group
- Action Liquor Acquired By Boardwalk Distribution