- Columbia Pictures Entertainment Acquired By Sony Group
- Columbia Pipe & Supply Acquired By Ferguson
- Columbia Pipeline Group Acquired By TC Energy
- Columbia Property Trust Acquisitions
- Columbia Recycle Acquired By Tervita
- Columbia River Bank Acquired By Columbia State Bank
- Columbia River Machinery Acquired By Rental Equipment Investment
- Columbia River Partners Mergers and Acquisitions
- Columbia Shelving and Mirror Acquired By Installed Building Products
- Columbia Solar Energy 19 MW PV Acquired By Hanergy Thin Film Power Group
- Columbia Sportswear Acquisitions
- Columbia State Bank Acquisitions
- Columbia Ultimate Business Systems Acquired By Finvi
- Columbia West Capital LLC
- Columbian Chemicals Acquired By Aditya Birla Management Pvt.
- Columbian Insurance Agency Acquired By HUB International
- Columbian Steel Tank Acquired By CST Industries
- Columbus A/S Acquisitions
- Columbus Advanced Manufacturing Systems Acquired By Hawk Ridge Systems
- Columbus Communications Acquisitions
- Columbus Container Acquired By Packaging of America
- Columbus Data Services Acquired By Cardtronics
- Columbus Fair Auto Auction Acquired By XLerate Group
- Columbus First Bancorp. Acquired By LCNB
- Columbus Manufacturing Acquired By Hormel Foods
- Columbus McKinnon Acquisitions
- Columbus Merchant Banking SA
- Columbus Metal Industries Acquired By Alter Trading
- Columbus Nova Mergers and Acquisitions
- Columbus Paper Acquired By Imperial Dade
- Columbus Recycling Acquisitions
- Columbus Southern Power Acquired By Ohio Power
- Column Health Acquisitions
- COLUMNA CAPITAL Mergers and Acquisitions
- Colusa Software Acquired By Microsoft
- Colussi Ermes s.r.l. Acquired By The Middleby
- Colussi Acquisitions
- Colvill Office Properties Acquired By Cushman & Wakefield
- Colville Capital Mergers and Acquisitions
- Colwill Engineering Technologies Acquired By The Norlee Group
