Haymarket Media US | 6,133 followers on LinkedIn. Haymarket Media, Inc. is an award-winning specialist content and information company. With 24 market-leading media brands, Haymarket offers unmatched expertise and insight through balanced, relevant, original content across a spectrum of media channels. Haymarket is home to highly regarded health care professional brands such as Clinical Advisor, Dermatology Advisor, and MPR among a portfolio of HCP-focused, specialty-specific websites, as well as the esteemed business media titles PRWeek and MM+M (Medical Marketing & Media).