- Collen Spring Zimmerman
- Collenda Acquisitions
- Colletts Travel Acquired By Travel Leaders Group
- Collex Collision Experts Acquired By The Boyd Group
- Collexis Holdings Acquired By Elsevier BV
- Collibra Acquisitions
- Collicutt Energy Services Acquired By Finning International
- Collider Acquired By Essentium
- Collider Media Acquired By Videology
- Collidion Acquisitions
- Collier-Keyworth Acquired By Leggett & Platt
- Collier’s Personal Care Pharmacy Acquired By Guardian Pharmacy
- Colliers Engineering & Design Acquisitions
- Colliers International Group Acquisitions
- Colliers International Winnipeg Acquired By Colliers International Group
- Colliers Seeley International Acquired By FirstService
- Collin Abert
- Collin Baker
- Collin Bank Acquired By Independent Bank Group
- Collin Brown
- Collin Gallagher
- Collin Hathaway
- Collin Lohnes
- Collin Roche
- Collin Sullivan
- Collin Sullivan
- Collin Vataha
- Collinear Group Acquisitions
- Collingwood Ethanol Acquired By The Carlyle Group
- Collingwood Lighting Acquisitions
- Collins & Aikman Acquisitions
- Collins Acquired By Patrick Industries
- Collins & Ware Acquired By Apache
- Collins Aerospace Acquisitions
- Collins Aerospace - ARINC Rail Solutions Business Acquired By Wabtec
- Collins Aerospace - Critical Infrastructure Business Acquired By Mirion Technologies
- Collins Aerospace - Global Positioning System & Raytheon’s Airborne Tactical Radios Business. Acquired By BAE Systems
- Collins and Hayes Furniture Acquired By Airsprung Group
- Collins Bargione & Vuckovich
- Collins Barrow Nova Scotia Acquisitions