- Metrocorp, Inc
- Midwest Outdoors
- Miller Sports Group
- Milwaukee Magazine Inc/Mcgeary
- MissouriLife
- MIT
- Moffly Publications, Inc.
- Morris Media Network
- Mother Jones
- Motor Trend Group
- Motorsports Marketing
- MovieMaker Magazine
- Murphos Publishing
- Music Maker Publications, Inc.
- National Audubon Society
- National Geographic Society
- National Review
- National Wildlife Federation
- Natural History Magazine Inc
- Nevada Magazine
- New England Home
- New Hope Communications Llc
- New Jersey Monthly
- New Mexico Magazine
- New York Magazine
- Northwoods Sporting Journal
- O'Meara Brown Publications, Inc.
- On Tap Publishing LLC
- Opera News
- Organic Spa Magazine, Ltd.
- Outdoor Sportsman Group
- Outside Interactive, Inc.
- Pacific Standard
- PADI
- Paisano Publications, LLC.
- Paragraph Publishing Ltd
- Penny Press
- Penske Media
- Penske Media Company
- Penthouse Global Media
- Poets & Writers, Inc.
- Professional Rodeo Cowboys Association
- Progressive Business Media
- Project M Group LLC
- Prometheus Global Media
- Publications International, LTD
- Purcell Enterprises
- 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
- Science Service
- Scientific American
- Shambhala Sun
- Shanken Communications
- Sightline Media Group
- Slam! Media Group
- Smithsonian
- Sojourners
- Sonoma Magazine
- Southern Boating
- Spirituality & Health Media, LLC
- Sports & Entertainment Publications, LLC
Toll Free: 888-590-0030