- DeepMatter Group Acquisitions
- DeepMetrix Acquired By Microsoft
- DeepMind Acquisitions
- DeepOcean Group Holding B.V. Acquisitions
- DeepReason.ai Acquired By Meltwater Group
- DeepScale Acquired By Tesla
- Deepstack Technologies Acquired By Banc of California
- DeepTech Acquisitions
- Deepwater Wind Acquired By Ørsted
- Deepwave Digital Acquired By Northrop Grumman
- Deer Creek Group Mergers and Acquisitions
- Deer Jet Acquisitions
- Deer Trace II Acquired By IRC Retail Centers
- Deer Valley Resort Company Acquisitions
- Deere Acquisitions
- Deerfield Agency Acquisitions
- Deerfield Management Mergers and Acquisitions
- Deering Lumber Acquired By US LBM Holdings
- Deerland Enzymes Acquisitions
- Deerpath Capital Management Mergers and Acquisitions
- Deerpath Energy Acquired By Southwest Windpower
- DeerTech Acquired By SavATree
- Deerwalk Acquired By Cedar Gate Technologies
- Deerwood Bank Acquisitions
- Deerwood Real Estate Capital Acquired By Walker & Dunlop
- Dees Paper Acquired By Imperial Dade
- Deesha Parmar
- Deeside Cereals I Acquired By Elysian Capital
- Deeson Heavylift Acquired By Toll Holdings
- DeeTag Acquired By Eriks North America
- Defakto Acquired By Ansira Holdings
- Defaqto Acquired By The SimplyBiz Group
- Defcom Information Security Acquired By NetSec
- Defcon Acquired By Selinsky Force
- Defence Consulting Europe AB Acquired By James Fisher and Sons
- Defence Support Group Acquired By Babcock International Group
- Defender Contracting Acquired By NextMart
- Defender Industries Acquired By FortNine
- Defensative Acquired By Qualys
- Defense Group - Emergency & Security Management Solutions Acquired By Dynamis
