- S.Roque - Máquinas e Tecnologia Laser S.A Acquired By Explorer Investments
- S.S. Kemp Acquired By TriMark USA
- S.S. Nesbitt Acquisitions
- S.S. of Kansas Acquired By Kelly Capital
- S.T. Good Insurance Acquired By Relation Insurance Services
- S.T. Griswold & Company Acquired By S. D. Ireland Concrete Construction
- S.T. Specialty Foods Acquired By TreeHouse Foods
- S.U.R.&R Acquired By Husky
- S.W. Electronics & Manufacturing Acquisitions
- S.Zhaveri Pharmakem Pvt. Acquisitions
- S.Zhaveri Pharmakem Pvt. - Distribution Business Acquired By Azelis SA
- S1 Acquisitions
- S2 Energy Partners Acquired By Harmon Electric
- S2 Interactive - TrayTouch Acquired By Syncera Value Solutions
- S2 Interactive - Virtual Backtable Software Acquired By Syncera Value Solutions
- S2 Interactive Acquisitions
- S2 Security Acquired By ACI Worldwide
- S2 Systems Acquired By CloudFlare
- S2C Global Systems Acquired By United Athletes
- S2C Tech Acquired By SMIT Holdings
- S2G Biochemicals Acquired By Fortress Global Enterprises
- S2S Inverters Acquired By Legrand SA
- S3 Aero Specialists Acquired By Jet Support Services
- S3 ASIC Semiconductors Acquired By Adesto Technologies
- S3 Graphics Acquired By HTC
- S3 TV Technology Acquired By Accenture
- S:t Eriks AB Acquisitions
- SA Designer Parfums Acquisitions
- SA Escaffre & Fils and Eurl Espace Carrelages Acquired By Ferguson
- SA Feather Acquired By Varsity Brands
- SA Lotteries Pty Acquired By Tatts Group
- SA Recycling Acquisitions
- SA Towers Acquired By HTN Towers
- SA Vulcain Ingénierie Acquired By Equistone Partners Europe Limited
- SAA Global Education Centre Pte Acquired By Malvern International
- Saab AB Acquisitions
- Saab Automobile AB Acquisitions
- Saab Medav Technologies Acquisitions
- Saab Medav Technologies - Noise Vibration & Harshness Business Acquired By Siemens AG
- Saab Microwave Systems AB Acquired By Saab AB
