- Colton King
- Colton Packaging Teesside Acquired By MacFarlane Group
- Colton Pate
- Colton Truck Supply Acquired By FleetPride
- Colubris Networks Acquired By HP
- CoLucid Pharmaceuticals Acquired By Eli Lilly
- Columbia Aircraft Manufacturing Acquired By Textron
- Columbia Asia Hospitals Acquired By TPG
- Columbia Asia Hospitals Pvt. Acquired By Manipal Hospitals
- Columbia Aviation Companies Acquired By Modern Aviation
- Columbia Banking System - Seven Branches in Washington and Oregon Acquired By FS Bancorp
- Columbia Banking System Acquisitions
- Columbia Capital Mergers and Acquisitions
- Columbia Care Acquisitions
- Columbia Colstor Acquired By Lineage Logistics Holdings
- Columbia Commercial Building Products Acquired By Grey Mountain Partners
- Columbia Commercial General Agency Inc Acquired By Risk Innovations
- Columbia Construction Service Acquisitions
- Columbia Crossing II Acquired By Kimco Realty
- Columbia Distributing Acquisitions
- Columbia Energy Group Acquired By NiSource
- Columbia Energy Acquisitions
- Columbia Energy - Natural Gas Fired Power Plant Acquired By South Carolina Electric & Gas
- Columbia Financial Advisors
- Columbia Financial Services Acquired By Deep Green Waste & Recycling
- Columbia Financial Acquisitions
- Columbia Gas of Massachusetts Acquired By Eversource Energy
- Columbia Grain International Acquisitions
- Columbia Helicopters Acquired By AE Industrial Partners
- Columbia Insurance Acquisitions
- Columbia Machine Acquisitions
- Columbia Management Investment Advisers Acquired By Ameriprise Financial
- Columbia Medical Acquired By Medical Depot
- Columbia Midstream Group Acquired By UGI
- Columbia National Bankshares Acquired By Columbia Banking System
- Columbia Natural Resources Acquired By Chesapeake Energy
- Columbia Nutritional Acquisitions
- Columbia Pacific Management Mergers and Acquisitions
- Columbia Packaging Acquired By Kranson Industries
- Columbia Phytotechnology Acquired By International Flavors & Fragrances
