- United Virtualities Acquisitions
- United Vision Logistics Acquired By Bluestem Equity
- United Waste Management Acquired By ReEnergy Holdings
- United Water Arkansas Acquired By Liberty Energy Utilities
- United Water Works Acquired By Mainline Supply
- United Welding Services Acquired By Thule Group AB
- United Welding Specialties Acquired By Praxair
- United Welding Supplies Acquired By Praxair
- United Western Group Mergers and Acquisitions
- United Wireless Acquired By Stadium Group
- Unitedcoatings Group Acquisitions
- UnitedFrag Acquired By OneHopWeb
- UnitedGlobalCom Acquisitions
- UnitedHealth Group Acquisitions
- UnitedHealth UK Acquisitions
- UnitedHealthcare Medicaid business Acquired By WellCare Health Plans
- UnitedLayer Acquired By Accelon Capital
- UnitedLex Acquisitions
- UnitedLex - Managed Detection and Response business Acquired By Ankura Consulting Group
- UnitedRx Acquisitions
- UniTek Global Services Acquisitions
- Unitek Information Systems Acquired By Cressey
- UNITEL KG - Classica Acquired By Stingray Group
- Unitel KG Acquisitions
- Unitex Acquired By Swisher Hygiene
- Unitherm Furnace Acquired By Eberhart Capital
- Uniti Bhalla
- Uniti Group Acquisitions
- Uniti Group - Fiber Network Assets Acquired By Everstream Solutions
- Unitime Systems Acquired By Empower Software Solutions
- Unitive Acquired By Amkor Technology
- Unitive /CA/ Acquisitions
- Unitog Acquired By Cintas
- Unitor Korea Acquired By Wilh. Wilhelmsen Holding ASA
- Unitplast Acquired By Tomplast d.o.o.
- UNITRAC Railroad Materials Acquired By Wabtec
- Unitrans International Acquired By AIT Worldwide Logistics
- UniTrek Acquired By Carlisle Interconnect Technologies
- Unitrends Acquisitions
- Unitrin Business Insurance unit Acquired By AmTrust Financial Services
