- Atrenta Acquired By Synopsys
- Atreus Acquired By Heidrick & Struggles International
- Atreya Bhattacharya
- Atri Services bv Acquired By Savaco NV
- AtriA Capital Partners Mergers and Acquisitions
- Atria Convergence Technologies Pvt. Acquired By TA Associates
- Atria Networks Acquired By Rogers Communications
- Atria Scandinavia AB Acquisitions
- Atria Senior Living Group Acquired By Ventas
- Atria Technologies Pte Acquired By Crayon Group Holding AS
- Atria Wealth Solutions Acquisitions
- Atrian Technical Services S.A. Acquisitions
- Atrica Acquired By Nokia Solutions and Networks
- AtriCure Acquisitions
- Atrify Acquired By 1WorldSync Holdings
- Atrilogy Solutions Group Acquired By Diversant
- Atrilux SA Acquisitions
- Atrin Pharmaceuticals Acquired By Aprea Therapeutics
- Atrio Acquired By Core Scientific
- Atrion International Acquired By IHS
- Atrion Acquired By Carousel Industries
- Atris Technology Acquisitions
- Atritech Acquired By Boston Scientific
- Atrium AS Acquired By CBRE Group
- Atrium Acquisitions
- Atrium Environmental Health & Safety Services Acquired By The British Standards Institution
- Atrium Innovations Acquisitions
- Atrium Medical Acquired By MAQUET Holding B.V. KG.
- ATRIUM Partners A/S
- Atrium Private Equity Mergers and Acquisitions
- Atrium Sports Acquisitions
- Atrium Staffing Acquisitions
- Atrium Underwriting Group Acquired By Enstar Group
- Atrium Windows and Doors - Vinyl Extrusion Facility Acquired By Quanex Building Products
- ATRM Holdings Acquisitions
- Atronix Engineering Acquired By Material Handling Systems
- Atronix Acquired By Integrated Cable Assembly Holdings
- ATRP Solutions Acquired By Pilot Chemical
- Atrua Technologies Acquired By AuthenTec
- ATRYA SAS Acquisitions
