- United Minds Acquired By Weber Shandwick
- United Mobile Solutions Acquired By iTalk
- United Moulders Acquired By ACR Group
- United National Bancorp Acquired By The PNC Financial Services Group
- United National Breweries Acquired By Diageo
- United National Specialty Insurance Acquired By State National Companies
- United Natural Foods Acquisitions
- United Network Services Acquisitions
- United Oil Acquired By Christensen
- United Online Acquisitions
- United Pacific Pet Acquired By Pet Food Experts
- United Packaging Acquired By Envoy Solutions
- United Paint & Chemical - Automotive Interior Rigid Thermoplastics Coatings Business Acquired By Axalta Coating Systems
- United Paint & Chemical Acquisitions
- United Pan-Europe Communications N.V. Acquisitions
- United Parcel Service Acquisitions
- United Personal lines Insurance Business Acquired By HCI Group
- United Pet Group Acquisitions
- United PF Holdings Acquired By American Securities
- United Physicians Management Services Acquired By CareCloud
- United Piping Acquired By APi Group
- United Plumbing Acquired By HomeServe USA
- United Poly Systems Acquired By Atkore International
- United Power AB Acquisitions
- United Precision Technologies Acquired By Advantage Partners
- United Process Control Acquired By Micronics
- United Process Acquisitions
- United Production Partners Acquired By First Reserve Management
- United Property & Casualty Insurance Acquisitions
- United Raw Pet Foods Acquisitions
- United Record Solutions Acquired By MRO
- United Rentals Acquisitions
- United Rentals of Canada Acquisitions
- United Rentals Acquisitions
- United Reprographics Acquisitions
- United Resource Recovery Acquisitions
- United Retail Group Acquisitions
- United Retirement Plan Consultants Acquisitions
- United Rheumatology Acquired By Specialty Networks
- United Road Services Acquisitions
