- Defense Group Acquisitions
- Defense Metals Acquisitions
- Defense Point Security Acquired By Accenture
- Defense Support Services Acquired By PAE
- Defense Technology Acquired By Canyon Gold
- Defense Today Acquired By Access Intelligence
- Defense.Net Acquired By F5
- DefenseWeb Technologies - AIS Secure Data Center Acquired By Three Wire Systems
- DefenseWeb Technologies Acquisitions
- Defensive Agrovant Acquired By American Vanguard
- Defenx Acquisitions
- Defero AS Acquired By Axo Finans AS
- Deffenbaugh Industries Acquired By Waste Management
- DEFG Acquired By E Source Companies
- Defi Gestion SA Mergers and Acquisitions
- defi SOLUTIONS Acquisitions
- Defiance Metal Products Acquisitions
- Defiance Publishing Acquired By Adams Publishing Group
- Defiance Testing & Engineering Services Acquired By Exova Group
- Defiance Ventures Acquisitions
- Defiant Resources Acquired By Profound Energy
- Defibtech Acquired By Nihon Kohden
- Defimode SAS Acquired By Vivarte SAS
- Defined Financial Planning Acquisitions
- Defined Health Acquired By Cello Health
- Definiens AG Acquisitions
- Definiens-Earth Science Acquired By Trimble
- Definiti Acquisitions
- Definition 6 Acquisitions
- Definitive Healthcare Acquisitions
- Definitive Homecare Solutions Acquired By WellSky
- Definity Health Acquired By UnitedHealth Group
- Defire Holdings Pty. Acquired By Exova Group
- Defiso Media AB Acquired By Søgemedier A/S
- Deflecto Acquisitions
- Defmacro Software Pvt. Acquisitions
- DeFoor Acoustical Acquired By L&W Supply
- DeFord Lumber Acquired By BMC Stock Holdings
- Deforest Enterprises Acquired By Verdant Specialty Solutions
- Defran Systems Acquired By Netsmart Technologies
