- Threadloom Acquired By VerticalScope Holdings
- Threadneedle Asset Management Holdings Acquired By American Express
- Threadstone LP
- Threadsy Acquired By Meta Platforms
- Threat finder Acquisitions
- Threat Source Solutions Group Acquired By Visium Technologies
- Threat Stack Acquisitions
- Threatcare Acquisitions
- ThreatConnect Acquisitions
- ThreatGRID Acquired By Cisco Systems
- ThreatLocker Acquisitions
- ThreatMetrix Acquired By RELX
- ThreatSim Acquired By Wombat Security Technologies
- ThreatSwitch Acquired By Sign In Solutions
- ThreatTrack Security Acquired By Ziff Davis
- ThredUp Acquisitions
- Three Amigos Rentals Acquired By Mustang Extreme Environmental Services
- Three Arch Partners Mergers and Acquisitions
- Three B Brush Corp - Road and Gutter Broom Assets Acquired By United Rotary Brush
- Three Cities Research Mergers and Acquisitions
- Three Deep Acquired By Bold Orange
- Three Dog Bakery - Consumer Products Division Acquired By Topspin Partners LBO
- Three Dog Bakery Acquisitions
- Three Dots Acquired By FAM Brands
- Three Eagles Communications Acquired By Digity Companies
- Three Hills Capital Partners Mergers and Acquisitions
- Three Keys Capital Advisors LLC
- Three Kings Capital Mergers and Acquisitions
- Three Limes Acquired By Oisix ra daichi
- Three North Acquired By Point B Fulfillment Solutions
- Three Oaks Hospice Acquisitions
- Three Ocean Partners LLC
- Three Phase Line Construction Acquired By MasTec
- Three Quarries and Granite Canyon Acquired By Martin Marietta Materials
- Three Rings Design Acquired By SEGA
- Three Rivers Home Health Acquired By LHC Group
- Three Rivers Operating Acquired By Concho Resources
- Three Rivers Packaging Acquired By The Cary
- Three Rivers Pharmaceuticals Acquired By Kadmon
- Three Rivers Systems Acquired By Unit4 N.V.
