- 1StopXBRL Acquired By Diversified Global Graphics Group
- 1Ticket Acquired By DTI Management
- 1to1 Card Acquired By SVM
- 1Vault Networks Acquired By Peak 10
- 1WorldSync Holdings Acquired By Battery Ventures
- 2 Sisters Food Group Acquisitions
- 2-10 Home Buyers Warranty Acquired By Genstar Capital
- 2-20 Records Management Acquisitions
- 2-DTech Acquired By Versarien
- 20 VIC Management Acquired By Cushman & Wakefield
- 20-20 Technologies Acquired By Golden Gate Capital
- 20/20 Image Eye Centers Acquired By Acuity Eyecare Group
- 20/20 Software Acquired By TechTarget
- 2020 Group USA Acquired By Panalitix Pty
- 2020 Vision Systems Acquired By Boston Networks
- 2080 Media Acquisitions
- 20:20 Mobile Group Acquired By Brightstar
- 20:20 Retail Data Insight Acquired By StayinFront
- 20lines S.r.l. Acquired By HarperCollins Publishers
- 20th Century Fox Acquisitions
- 20|20 Research Acquisitions
- 21 Apartment Communities in Texas Acquired By Pivotal Group
- 21 Chelsea Property Acquired By UDR
- 21 Grams AB Acquisitions
- 21 Partners
- 21 Three Clothing Acquired By boohoo.com
- 212 Labs Acquired By ScheduleOnce
- 212gaming Acquired By HootSuite Media
- 21c Telecom Acquired By Elitetele.com
- 21Net Acquired By Alstom S.A.
- 21sportsgroup Acquisitions
- 21st Century Grain Processing Acquired By Viterra
- 21st Century Group
- 21st Century Health & Benefits Acquired By Fringe Benefits Management
- 21st Century Insurance Group Acquired By Farmers Group
- 21st Century Labels Acquired By Inovar Packaging Group
- 21st Century Oncology of Washington Acquisitions
- 21Vianet Group Acquisitions
- 22-story Class A office building Acquired By Kilroy Realty
- 23 & Park
