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
- Selective Insurance
- Semiconductor Research Corporation (SRC)
- Semler Services A/S
- Sennheiser
- Seoul Broadcasting System (SBS)
- Servimatica S.A.
- Servimática S.A.
- Servizi Bancari Associati S.p.A.
- SESCAM
- Seton Hall University
- Seton Hall
- Seton Healthcare
- Severn Trent Water Limited
- SGM Distribuzione
- Sharp Corporation
- Sharp Electronics Corporation
- Sharp HealthCare
- Sharp
- Shelter Mutual Insurance Company
- Sherrill-Lubinski Corp.
- Sheryl M. Larsen, Inc.
- Shijiazhuang Iron & Steel
- Shin Kong Financial Holding
- Shin Kong Wu Ho-Su Memorial Hospital
- Shiseido Co., Ltd.