- 2nd Road Acquired By Accenture
- 2nd Watch Acquisitions
- 2nd Wind Heating And Air Conditioning Acquired By NearU Services
- 2ndQuadrant Acquired By EnterpriseDB
- 2ndWave Software Acquisitions
- 2Sales International S.A. Acquired By Wunderman Commerce
- 2sms Acquired By VoiceSage Global Holdings D.A.C.
- 2SV Capital Mergers and Acquisitions
- 2TD Drilling AS Acquired By Nabors Industries
- 2TM Group Acquisitions
- 2U Acquisitions
- 2ULaundry Acquisitions
- 2UP Gaming Acquisitions
- 2Web Technologies Acquired By Alphabet
- 2Wire Acquired By Pace
- 2X Software Acquired By Parallels
- 3 Bear Energy Acquisitions
- 3 Birds Marketing Acquired By Digital Air Strike
- 3 Blokes Studios Pty. Acquired By RockYou
- 3 Grain Elevators Acquired By Archer Daniels Midland
- 3 Monkeys Communications Acquired By Zeno Group
- 3 Peaks Acquired By Calligo
- 3 Rivers Capital Mergers and Acquisitions
- 3 Seas Capital Partners
- 3 Sigma Acquired By Duraco Specialty Tapes
- 3 Step IT Group Oy Acquisitions
- 3 Step IT Group Oy - Front End Services Acquired By Advania AB
- 3-D Fire Protection Acquired By Delta Fire Systems
- 3-D Sales Acquired By Eckhart & Associates
- 3-GIS Acquired By SSP Innovations
- 30 Second Software Acquisitions
- 300 Engineering Group P.A. Acquired By Ardurra Group
- 300 Entertainment Acquired By Warner Music Group
- 3001 International Acquired By Northrop Grumman
- 301 Acquisitions
- 3030 IoT Acquired By TechX Technologies
- 310 Holdings Acquisitions
- 317 Labs Acquisitions
- 319 Bragg Acquired By EdR
- 31st Street Capital Mergers and Acquisitions
