Last year's PRWeek conference gathered together CEOs, CMOs, CCOs and PR agency leaders.

Companies that attended last year included:

451 Marketing – Abbott – About.com – ADT Security – AECOM – Allison+Partner – American Medical Association – ANGA – ASME – Avis Budget Group – Bank of America – Bayer – BlueCross BlueShield – Bulletin Intelligence – Burson-Marsteller – Carrot Creative – CCI – Chandler Chicco Companies – Chobani – Citi -  Citizen Relations – Coca-Cola – Cohn & Wolfe – Coldwell Banker Real Estate – ColorComm – ConAgra Foods – Cone Communications – Coyne Public Relations – DCI Group – Deloitte – DeVries Global – DST Systems – EA Sports – Ebiquity – Emanate – EY – Fannie Mae – FedEx – FedEx Services – FleishmanHillard – Foursquare – Freshwire – GaileyMurray Communications – GCI Health – GE – GFK Public Affairs – Gibbs & Soell Business Communications – Global Strategy Group – GolinHarris – Gorkana – Great Performances – Group SJR – Harris Interactive – Hill+Knowlton Strategies – Hiscox – HSBC – IBM – IMRE – inPowered – Johnson & Johnson – Kaplow Communications – KCSA – Ketchum – Ketchum Change – Ketchum Sports and Entertainment – KYNE – LaForce + Stevens – Lagrant Communications – Lockheed Martin – M Booth – Marina Maher Communications – Marlo Marketing/ Communications – Mars Chocolate North America – Maslansky + Partners – MastCard – Maxwell PR – Mayo Clinic – Mayor of Philadelphia – McDonald’s – MDC Partners  – MetLife – Mfa – Michelin – Microsoft – Microsoft Corp. Skype Division – Mitchell communications Group – Mom Central Consulting – MSL Group North America – Much Rack – National Marine Manufacturers Association – National Retail Federation – Neustar – News Corporation -  Nissan Motor Company/ Renault-Nissan Alliance – Ogilvy Public Relations – Orbit+Co. – Ostrovok.ru – Outbrain – P&G – PadillaCRT – Penguin Random House – Pepco Holdings – Pernod Ricard USA – Phillips 66 – Pop17 – Porter Novelli – Precise – Procter and Gamble – Prudential – Prudential Financial – PUBLIC NYC – Racepoint Group – Reckless – Safeway – Samsung Electronics America – Singapore Airlines – Skanska USA Inc. – Smithsonian’s National Museum of American History – Social360 Monitoring – Stillwell Partners- Story Worldwide – Subway Restaurants – Syndicate Media Group – T Rowe Price – Target – The Associated Press – The Brandman Agency – The Hillshire Brands Company – The Travelers Companies, Inc. Tierney Agency – Trulia – U.S. Chamber of Commerce – Unified Social – UnitedHealthCare – Univision – UPS – VanguardCOMM – Venture Philanthropy Partners – Virgin America – Visa  – W20 Group – Waggener Edstrom – Walmart – Weber Shandwick – YouGov – Zeno Group – Zimmerman/ Edelson