Politics and Business magazines
- Sudbury Inc.
- Südzucker AG
- Suez Lyonnaise des Eaux
- Suiza Foods Corporation
- Sukhoi Design Bureau Aviation Scientific-Industrial Complex
- Sullivan & Cromwell
- Sulzer Brothers Limited (Gebrüder Sulzer Aktiengesellschaft)
- Sulzer Ltd.
- Sumitomo Chemical Company, Ltd.
- Sumitomo Electric Industries, Ltd.
- Sumitomo Metal Industries Ltd.
- Sumitomo Metal Industries, Ltd.
- Sumitomo Metal Mining Co., Ltd.
- Sumitomo Mitsui Banking Corporation
- Sumitomo Realty & Development Co., Ltd.
- Sumitomo Rubber Industries, Ltd.
- Summit Family Restaurants Inc.
- Sun Alliance Group plc
- Sun Communities Inc.
- Sun Company, Inc.