Politics and Business magazines
- j2 Global Communications, Inc.
- Jack Henry and Associates, Inc.
- Jack in the Box Inc.
- Jack Morton Worldwide
- Jack Schwartz Shoes, Inc.
- Jackpot Enterprises Inc.
- Jackson Hewitt, Inc.
- Jackson National Life Insurance Company
- Jacmar Companies
- Jaco Electronics, Inc.
- Jacob Leinenkugel Brewing Company
- Jacobs Suchard AG
- Jacobson Stores Inc.
- Jacor Communications, Inc.
- Jacuzzi Brands Inc.
- Jacuzzi Inc.
- JAFCO Co. Ltd.
- Jaguar Cars, Ltd.
- JAKKS Pacific, Inc.
- Jalate Inc.