By client
- Sabah Credit Corporation
- Sabó Industria e Comércio de Autopeças Ltda (Sabó)
- SABMiller
- Sacramento Area Sewer District (SASD)
- Sacramento Regional County Sanitation District (SRCSD)
- Saga Travel
- Saic Fiat Powertrain Hongyan (SFH)
- Saint-Gobain Distribution Denmark
- Saint Gobain
- Saint Michael’s Medical Center
- Salt River Project
- Samarinda Lodge
- Samsung SDS
- Sanitas
- Sanlam Group
- sanofi-aventis Canada Inc.
- Sanofi Pasteur MSD
- Santa Barbara Sheriff's Department (SBSD)
- Santam Insurance
- Santiago Stock Exchange
- SAP AG
- SAP CoE / Value Prototyping
- SAPERION AG
- SAP IT
- Sarenet
- Sargento Foods Inc.
- Sauer-Danfoss
- Sauk County
- Savunma Teknolojileri Mühendislik ve Ticaret A.S. (STM A.S.)
- SBI Sumishin Net Bank
- SCA Packaging
- Schaeffler KG
- Schahin Group
- Schelde Marinebouw B.V.
- Schiff Nutrition International
- School District of Philadelphia
- Schuler
- Schweizerische Bundesbahnen (SBB)
- SCHWENK Zement
- Sciele Pharma, Inc
- Scotiabank
- Scott Bader
- S.D. Indeval, S.A. de C.V.
- Südzucker
- SEA - Aeroporti di Milano
- Seaward
- SEB
- Security First Insurance
- Segen
- Selco S.p.A