Dun and Bradstreet WorldBase Marketing Plus API

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Dun and Bradstreet WorldBase Marketing Plus
From their site: The most efficient way to gain basic marketing information about a potential prospect such as business name, address, D&B® D-U-N-S® Number, fax, phone and trade style plus business intelligence such as executive names and titles, financials, number of employees, import or export code, branch indicator, and more.