- United Guaranty Acquired By Arch Capital Group
- United Health Actuarial Services Acquired By Risk Strategies
- United HealthCare Services Acquisitions
- United Heritage Bank Acquired By Cathay Bank
- United Heritage Bankshares of Florida Acquired By Marshall & Ilsley
- United Heritage Financial Group Acquisitions
- United Holdings Acquired By Kirby
- United Income Acquired By Capital One Financial
- United Industrial Acquired By Textron
- United Industries Acquired By Spectrum Brands Holdings
- United Initiators KG Acquisitions
- United Insurance Company of America Acquisitions
- United Insurance Group Acquired By Peter C. Foy & Associates Insurance Services
- United Insurance Group Agency Acquired By LTC Global
- United Insurance Holdings Acquisitions
- United International Bank B.S.C. Acquisitions
- United International Bank Acquired By Preferred Bank
- United Internet AG Acquisitions
- United Investors Life Insurance Acquired By Protective Life
- United Juice Acquired By Beaumont Juice
- United Land Services Holdings Acquisitions
- United Language Group Acquisitions
- United Legacy Bank Acquired By National Commerce
- United Legwear & Apparel Acquisitions
- United Liberty Life Insurance Acquired By Citizens Security Life Insurance
- United Liquid Gas Acquired By Superior Plus
- United Lithium Acquisitions
- United Living Group Acquisitions
- United Locating Services Acquired By Sparus Holdings
- United Luminous International Acquisitions
- United MailSolutions Acquired By Experian
- United Malt Holdings Acquired By GrainCorp
- United Marketing Group Acquired By Inte Q
- United Material Management Acquisitions
- United Materials Acquired By Construction Resources Holdings
- United Medical Providers Acquired By Home Care Delivered
- United Medical Systems Acquisitions
- United Mercantile Agencies Acquired By Euler Hermes Group SA
- United Microelectronics Acquisitions
- United Milwaukee Scrap Acquisitions
