- Warren Lazarow
- Warren Learmonth
- Warren Loui
- Warren Manufacturing Acquired By CEI Equipment Company
- Warren Master
- Warren Matthews
- Warren Medical Services DBA State Line Medical Acquired By Pinnacle Treatment Centers
- Warren Newton
- Warren Resources Acquisitions
- Warren Roll
- Warren Romine
- Warren Scott
- Warren Spar
- Warren Staley
- Warren Stein
- Warren Stephens
- Warren Systems Group Acquired By Fairdinkum Consulting
- Warren Theatres Acquired By Regal Entertainment Group
- Warren Truss Acquired By Stark Truss
- Warren Valdmanis
- Warren Widener
- Warren Woo
- Warrick National Bank Acquired By Old National Bancorp.
- Warring Water Service Acquired By California American Water
- Warring Water Services Acquired By California American Water
- Warrior Building Products Acquired By Cameron Ashley Building Products
- Warrior Energy Services Acquired By Superior Energy Services
- Warrior Forum Acquired By Freelancer.com
- Warrior Rig Acquired By Patterson-UTI Energy
- Warriors Heart Acquisitions
- Warrnambool Acquired By Frasers Group
- WarRoom Acquired By Nextpoint
- Warsaw Equity Group Mergers and Acquisitions
- Warson Capital Partners LLC
- WARTA S.A. Insurance and Reinsurance Acquired By Talanx International AG
- Wartburg-Buchhandlung Acquired By Buch und Kunst und KG
- Wartsila Euroatlas Acquired By MIMIR Invest AB
- Warwick Capital Group Mergers and Acquisitions
- Warwick Capital Partners Mergers and Acquisitions
- Warwick Community Bancorp Acquired By Provident Bancorp
