- Aalborg Gummivarefabrik A/S Acquired By Winther Holding A/S
- Aalborg Industries A/S Acquired By Alfa Laval AB
- Aalborg Maskinfabrik A/S Acquired By Vækst-Invest Nordjylland A/S
- Aalborg Portland AS Acquired By Cementir Holding
- Aaldering Group Acquired By Systemair AB
- Aalek Mehta
- Aalst Chocolate Pte. Acquired By Cargill
- Aalto Bio Reagents Acquired By Biosynth Carbosynth
- Aalto Invest Holding AG Acquired By Man Group
- AAM Pty Acquired By Woolpert
- Aam Sona Axle Pvt. Acquired By American Axle & Manufacturing
- Aames Investment Acquired By Accredited Home Lenders Holding
- Aamir Amdani
- Aamir Zeb
- AAMP Global Acquisitions
- AAMP of America Acquisitions
- Aan Son Khoo
- Aanand Radia
- Aandrijvingen Ramaekers NV Acquired By Brammer
- Aannemingen Van Wellen NV. Acquired By ASWEBO sa
- AAON Acquisitions
- Aapo Eskelinen
- AAPT Acquisitions
- AAR - Cold Chain Solutions Assets Acquired By Sonoco ThermoSafe
- AAR Acquisitions
- Aarav Solutions Acquisitions
- Aarbakke Group AS Acquisitions
- AARDEX SA Acquired By MeadWestvaco
- Aarding Thermal Acoustics B.V. Acquired By CECO Environmental
- Aardvark Acquired By Alphabet
- Aardvark Safaris Acquired By Scott Dunn
- Aardvark Straws Acquired By Hoffmaster Group
- Aardvark Therapeutics - ARD-301 Acquired By Sorrento Therapeutics
- Aardvark Therapeutics Acquisitions
- Aardvarks Answering Service Acquisitions
- Aardwolf Pestkare Pte Acquired By Rollins
- Aare Tammemäe
- Aareal Asset Management Acquired By Schroders
- Aareal Bank AG Acquisitions
- Aaren Scientific Acquired By Carl Zeiss Meditec
