Politics and Business magazines
- Iberia Líneas Aéreas de España S.A.
- IBERIABANK Corporation
- Ibstock Brick Ltd.
- Ibstock plc
- Ic Industries, Inc.
- ICA AB
- Iceland Group plc
- Icelandair
- Icelandic Group hf
- ICF Kaiser International, Inc.
- ICL plc
- ICN Pharmaceuticals, Inc.
- Icon Health & Fitness, Inc.
- Idaho Power Company
- IDB Communications Group, Inc.
- Idearc Inc.
- Idemitsu Kosan Co., Ltd.
- Idemitsu Kosan K.K.
- Identix Inc.
- IDEO Inc.