Data Universal Numbering System (DUNS)

Data Universal Numbering System (DUNS),

Definition of Data Universal Numbering System (DUNS):

1. Unique nine-digit number that identifies a US firm. It is assigned to over 11 million US businesses by Dun & Bradstreet company, and is popularly known as the social security number of a firm. Also called Dun & Bradstreet number.