- Outdoor Sportsman Group
- Outside Interactive, Inc.
- Overseas Ministry Study Center
- Pacific Standard
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- Paisano Publications, LLC.
- Paper Publishing Co.
- Penny Press
- Penske Media
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- Penthouse Global Media
- Plan Multimedia LLC
- Poets & Writers, Inc.
- Professional Rodeo Cowboys Association
- Progressive Business Media
- Project M Group LLC
- Prometheus Global Media
- Publications International, LTD
- Purcell Enterprises
- Pure Imaging, Inc
- PWX Solutions
- Quadra Media LLC
- Racer Media & Marketing
- Reason Foundation
- Red Bull
- Red Engine, LLC
- Redan, Inc.
- Redstone Media Group, Inc.
- Reef to rainforest media, llc
- Reiman Publications
- Religion and Public Life
- Reptiles
- Restore Media, LLC
- RFP LLC
- Road Runner Publishing
- Roger Publishing
- Russian Information Services
- Saga City Media, Inc.
- Sandow Media
- Scholastic Inc
- Science Service
- Scientific American
- Shambhala Sun
- Shanken Communications
- Simply Gluten Free
- Slam! Media Group
- Smithsonian
- Sojourners
- Sonoma Magazine
- Southern Boating
- Spilogale Inc
- Spin
- Spirituality & Health Media, LLC
- Sports & Entertainment Publications, LLC
- Springs Media PO Box 49053,
- St. Louis Homes & Lifestyles
- Storm Mountain Publishing
- Strang Communications Co.
- String Letter Media
- Supermodel Productions
- Surface
- Sussex Publishing
- T&L Publications, Inc.
- Taunton Direct, Inc.
- Texas Fish and Game
- Texas Parks & Wildlife
- The American Prospect
- The Atlantic Monthly
- The Center for Creative Change
- The Chelsea Magazine Company LTD
- The Civil War Monitor
- The Economist Newspaper Group, Inc.
- The Enthusiast Network
- The JAZZIZ Magazine, Inc.
- The Local Palate
- The Nation
- The New Republic
- The Saturday Evening Post
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