Politics and Business magazines
- Insilco Corporation
- Insituform Technologies, Inc
- Inso Corporation
- Instinet Corporation
- Instituto Nacional De Industria
- Insurance Auto Auctions, Inc.
- Integra LifeSciences Holdings Corporation
- Integrated BioPharma, Inc
- Integrated Defense Technologies, Inc.
- Integrity Inc.
- IntelliCorp, Inc.
- Intelligent Electronics, Inc.
- Inter Link Foods PLC
- Inter-Regional Financial Group, Inc.
- Interbrand Corporation
- INTERCO Incorporated
- Intercorp Excelle Foods Inc.
- InterDigital Communications Corporation
- Interep National Radio Sales Inc.
- Interfax News Agency