- 20-20 Technologies Acquisitions
- 20/20 Image Eye Centers Acquired By Acuity Eyecare Group
- 20/20 Software Acquired By TechTarget
- 20/20 Teknology Acquired By Gcom Software
- 202 Group Acquired By BlueVoyant
- 2020 Group USA Acquired By Panalitix Pty
- 2020 Research Acquisitions
- 2020 Vision Systems Acquired By Boston Networks
- 2080 Media Acquisitions
- 2080791 Alberta Acquired By High Tide
- 20:20 Mobile Group Acquired By Likewize
- 20:20 Retail Data Insight Acquired By StayinFront
- 20lines S.r.l. Acquired By HarperCollins Publishers
- 21 Buttons APP S.L. Acquired By Peoople
- 21 Chelsea Property Acquired By UDR
- 21 Grams AB Acquisitions
- 21 Invest Mergers and Acquisitions
- 21 Labs Acquired By Perforce Software
- 21 Three Clothing Acquired By boohoo group
- 212 Labs Acquired By ScheduleOnce
- 212gaming Acquired By HootSuite Media
- 214EATS Acquired By FOHBOH Media
- 21c Telecom Acquired By Elitetele.com
- 21Net Acquired By Alstom S.A.
- 21Seeds Acquired By Diageo
- 21sportsgroup Acquisitions
- 21st Century Auto Insurance Company of New Jersey Acquired By Everspan Group
- 21st Century Grain Processing Acquired By Viterra
- 21st Century Group Mergers and Acquisitions
- 21st Century Health & Benefits Acquired By Fringe Benefits Management
- 21st Century Indemnity Insurance Acquired By Everspan Group
- 21st Century Insurance Group Acquisitions
- 21st Century Labels Acquired By Inovar Packaging Group
- 21st Century Oncology of Washington Acquisitions
- 21st Century Pacific Insurance Acquired By Everspan Group
- 22-story Class A office building Acquired By Kilroy Realty
- 220 Laboratories Acquired By PLZ Aeroscience
- 22C Capital Mergers and Acquisitions
- 22nd Century Group Acquisitions
- 23 & Park Mergers and Acquisitions
