- The Risk Management Group Acquired By WeiserMazars
- The Risk Management Planning Group Acquired By York Risk Services Group
- The RiteScreen Acquisitions
- The Ritter Companies Acquired By EVO Transportation & Energy Services
- The Riverfront Times Acquired By Euclid Media Group
- The RiverNorth Group Acquisitions
- The Riverside Company Mergers and Acquisitions
- The Rja Group Acquired By JENSEN HUGHES
- The RM Restaurant Group Acquired By FM RESTAURANTS
- The RMR Group Acquisitions
- The RMS Group Acquired By YFM Equity Partners
- The RND Group Acquired By Gener8
- The ROB Company Acquired By Flybar
- The Robbi Davis Agency Acquired By Arthur J. Gallagher
- The Robert E. Miller Group Acquisitions
- The Robert Mondavi Acquired By Constellation Brands
- The Roberts Company Acquired By Argan
- The Roberts Group Acquired By Greencore Group
- The Robinson-Humphrey Acquired By SunTrust Banks
- The Robot Report Acquired By WTWH Media
- The Rock Garden Acquired By Outdoor Living Supply
- The Rock Yard Acquired By GLM Landscape Supply
- The Rockport Company Acquisitions
- The RoCo Group Acquisitions
- The Rocore Group Acquisitions
- The Rogers Group Acquired By Ruder Finn Group
- The Rohatyn Group Mergers and Acquisitions
- The ROHO Group Acquired By Permobil AB
- The ROI Companies Acquired By Bolder Healthcare Solutions
- The Rolling Luggage Company Acquired By Samsonite International SA
- The Roofing Connection Acquired By Beacon Roofing Supply
- The Room Acquired By Technicolor SA
- The Room Ring Acquired By Roomi
- The Roosevelt Investment Group Acquired By CI Financial
- The Root Acquired By Univision Communications
- The Rooter Works Plumbing and Drains Acquired By American Residential Services
- The Roscoe State Bank Acquired By Cornerstone Home Lending
- The Rose Hill Company Acquired By Madison Park Home Furnishings
- The Roseview Group
- The Ross Benefits Group Acquired By HUB International