The D&B D-U-N-S® Number is D&B’s distinctive nine-digit identification sequence, which links you to a wealth of quality information products and services originating exclusively from D&B. The D&B D-U-N-S® Number is an internationally recognized common company identifier in EDI and global electronic commerce transactions. The world’s most influential standards-setting organizations, more than 50 global, industry and trade associations, and the U.S. Federal Government recognize, recommend and/or require the D&B D-U-N-S® Number. D&B D-U-N-S® Numbers are the key to building corporate family relationships in the D&B file. Since each location of a business may have its own unique D&B D-U-N-S® Number, a large organization is likely to have many different D&B D-U-N-S® Numbers within its corporate “family.” D&B links the D&B D-U-N-S® Numbers of parents, subsidiaries, headquarters and branches on more than 70 million corporate family members around the world.