MRB PUBLIC RELATIONS MRB was founded in 1992 as a media research company designed to assist leading business and trade publishers such as McGraw Hill, Penton, Ziff Davis, CMP and others in story development. MRB worked with publications to plan the upcoming editorial segments by crafting research packag es (sources, analyst information, compiled research/data, story ideas, previous coverage, information resources) that were presented to assigned writers.

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