- 38 Studios Acquisitions
- 39 North Capital Acquisitions
- 3A International Acquired By Yokogawa Electric
- 3ality Technica Acquisitions
- 3B Fiberglass Acquired By Binani Industries
- 3B Scientific Acquisitions
- 3BL Media Acquisitions
- 3Cinteractive Acquired By IMImobile
- 3ClinicalResearch AG Acquired By PAREXEL International
- 3Com Acquisitions
- 3CX Acquisitions
- 3D Corporate Solutions Acquisitions
- 3D Corporate Solutions - Land Animal Protein Division Acquired By Olympus Partners
- 3D Couriers Acquired By Mach 1 Couriers
- 3D Data & Document Destruction Acquired By AllShred
- 3D Dental Aps Acquired By Lifco AB
- 3D Discovery Acquired By Sharing Economy International
- 3D Eye Solutions Acquired By 3D Eye Solutions
- 3D Eye Solutions Acquisitions
- 3D Geo Acquired By Autodesk
- 3D Hubs Acquisitions
- 3D Line Medical Systems S.r.l Acquired By Elekta AB
- 3D Matter Acquired By SD3D Printing
- 3D Medical Manufacturing Acquired By Tecomet
- 3D Oil Acquisitions
- 3D Plastics Acquired By Quantum Plastics
- 3D Plus SA Acquisitions
- 3D Results Acquired By Rizing
- 3D Star Insurance Services Acquired By Worldwide Facilities
- 3D Systems Acquisitions
- 3D3R Software Studio Acquired By Chegg
- 3dB Research Acquired By Harman International Industries
- 3Di Technologies Acquired By L3 Technologies
- 3DM Systems Acquired By GN Store Nord A/S
- 3DPlusMe Acquired By WhiteClouds
- 3DPrint.com Acquired By MecklerMedia
- 3DSIM Acquired By ANSYS
- 3Dsolve Acquired By Lockheed Martin
- 3DX Industries Acquisitions
- 3esi-Enersight Acquisitions
