- Castle Oil Acquisitions
- Castle Pines Capital Acquired By Wells Fargo
- Castle Rock Industries Acquired By Alfred Kärcher KG
- Castle Software Acquired By Harris School Solutions
- Castle Vacation Rentals Hawaii Acquisitions
- Castle Wealth Advisors Acquired By Creative Planning
- Castle Worldwide Acquired By Scantron
- Castlebeck Acquired By Barchester Healthcare
- Castlecare Group Acquired By The Priory Group
- Castlegreen Partners LLP
- Castleguard Security Acquired By Universal Protection Service
- Castlehaven Finance Acquired By Avenue Capital Group
- CastleLine Holdings Acquired By Altisource Portfolio Solutions S.A.
- CastleMill Equity Partners Mergers and Acquisitions
- Castlepoint Holdings Acquired By Tower Group
- Castleray Investments Mergers and Acquisitions
- Castlerock Recruitment Group Acquisitions
- Castlerock Security Holdings Acquired By SAFE Security
- Castles Technology Acquisitions
- Castles Travel Acquisitions
- Castleton Commodities International Acquisitions
- Castleton Power Acquired By Fortistar Renewables
- Castleton Resources Acquisitions
- Castleton Technology Acquisitions
- Castleton Technology - QAD Software Consultancy Business Acquired By Glantus
- Castlight Health Acquisitions
- Castolin Eutectic Acquisitions
- Castor & Pollux Acquired By Merrick Pet Care
- Castor Networks Acquisitions
- Castrén & Snellman Attorneys Ltd
- Castro Cheese Co Acquired By Dairy Farmers of America
- Castronics Acquired By Inspection Oilfield Services
- Casual Dining Group Acquisitions
- Casual Living Products Unlimited Acquired By Argosy Private Equity
- Casualty & Surety Inc Acquired By Bunker Hill Underwriters Agency
- Casualty Assurance of Chaska Acquired By AssuredPartners
- Casworth Enterprises Acquired By Gold Medal Environmental
- Cat MacLean
- Cat Motoren GMBH KG Acquired By Finning International
- Cat Tech Acquired By Maven Capital Partners
