Politics and Business magazines
- Julius Meinl International AG
- Jumeirah Group
- Juniper Networks, Inc.
- Juno Lighting, Inc.
- Juno Online Services, Inc.
- Jupitermedia Corporation
- Jurys Doyle Hotel Group plc
- Jusco Co., Ltd.
- Just Born, Inc.
- Just For Feet, Inc.
- Justin Industries, Inc.
- Juventus F.C. S.p.A
- JWP Inc.
- JWT Group Inc.
- K & B Inc.
- K & G Men’s Center, Inc.
- K-Swiss Inc.
- K-Swiss, Inc.
- K-Tel International, Inc.
- Kaiser Aluminum & Chemical Corporation