Dun & Bradstreet is world largest business-to-business credit, purchasing and marketing services provider. D&B maintain world largest business information database, covering nearly 80 Million companies of around 200 countries. Approximately 3,050 associates conduct more than three million face-to-face and telephone interviews annually. More than 200 million trade experiences are added to D&B's file annually. Suits, liens and judgments are collected from 2,500 filing locations in the US. D&B updates its information base continually more than 620,000 times each business day.