Politics and Business magazines
- Interpublic Group Inc.
- Interscope Music Group
- Interstate Hotels & Resorts Inc.
- Intimate Brands, Inc.
- Intrado Inc
- Intrawest Corporation
- Intres B.V.
- Intuitive Surgical, Inc.
- Invensys PLC
- InVentiv Health, Inc.
- Inverness Medical Innovations, Inc
- Inversiones Nacional de Chocolates S.A.
- Investcorp SA
- Investor AB
- Invitrogen Corporation
- Invivo Corporation
- Iogen Corporation
- Iomega Corporation
- IONA Technologies plc
- Ionics, Incorporated