- Atolla Skin Health Acquired By Function
- Atollic AB Acquired By STMicroelectronics N.V.
- Atom Bank Acquisitions
- Atom Entertainment Acquired By Viacom
- ATOM Instrument Acquired By Process Insights
- ATOM Solutions Acquired By Capco
- Atom42 Acquired By Cheil Worldwide
- Atomhawk Design Acquired By Sumo Digital
- Atomic Oil & Gas Acquired By Canadian Overseas Petroleum
- Atomic Search Acquired By Limit Break International
- Atomic Technologies Pte Acquired By Bureau Veritas SA
- Aton Pharma Acquired By Bausch Health Companies
- AtOnePlace.com Acquired By NetAmbit Infosource and E Services Pvt.
- Atonix Digital Acquired By Prometheus Group
- ATOP Acquired By I.M.A. Industria Macchine Automatiche
- Atos - LIBER Software Suite Acquired By MLOGICA
- Atos Clinic Munich KG Acquisitions
- Atos Italia Acquired By Lutech
- Atos Medical AB Acquired By Coloplast A/S
- Atos Origin Middle East Acquired By HP
- Atos SE Acquisitions
- Atos SE - Desk-side and End User Support Arm Acquired By ManpowerGroup
- Atosho ApS Acquired By prettysocial media ApS
- Atotech BV Acquired By MKS Instruments
- ATP adhesive systems AG Acquired By Arsenal Capital Partners
- ATP Flight School Acquisitions
- ATP Industries Group Acquired By ATC Drivetrain
- ATP Nutrition Acquired By Concentric Agriculture
- ATP Private Equity Partners Mergers and Acquisitions
- ATP Tower Holdings Acquisitions
- ATPE-AMIB S.A. Acquired By KONE
- ATPI Acquisitions
- ATR Sales Acquired By U.S. Tsubaki Holdings
- ATRA Janitorial Supply Acquired By Envoy Solutions
- Atracciones Coney Island S.A.C. Acquisitions
- Atracsys Acquired By Smith & Nephew
- Atradius N.V. Acquisitions
- Atrativa Acquired By RealNetworks
- Atrato IP Networks B.V. Acquired By Hibernia Networks
- Atrenne Integrated Solutions Acquisitions
