HOUSTON, Nov. 17, 2015 /PRNewswire/ -- Cornerstone proudly celebrates its in-house marketing team for winning 9 MarCom Awards. This is the second year in a row that Cornerstone has placed in the annual competition for marketing and communication professionals. The team received 4 awards in 2014. This year, Cornerstone has taken home 3 Platinum Awards, 3 Gold Awards, and 3 Honorable Mentions. The marketing team's winning...
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