Politics and Business magazines
- PriceCostco, Inc.
- Priceline.com Incorporated
- PriceSmart, Inc.
- PricewaterhouseCoopers
- Pride International, Inc.
- Primark Corp.
- Prime Hospitality Corporation
- Primedex Health Systems, Inc.
- Primedia Inc.
- Primerica Corporation
- Prince Sports Group, Inc.
- Princes Ltd.
- Princess Cruise Lines
- Principal Mutual Life Insurance Company
- Printpack, Inc.
- Printrak, A Motorola Company
- Printronix, Inc.
- Prison Rehabilitative Industries and Diversified Enterprises, Inc. (PRIDE)
- Prodigy Communications Corporation
- Proeza S.A. de C.V.