National Directory of Nonprofit Organizations is designed for use by marketers, sales staff, and nonprofit professionals who need contact and basic factual information on the largest nonprofit organizations in the United States. It is based on data provided by the Internal Revenue Service, and each entry provides such useful information as the organization's name, address, and telephone number (when available); Internal Revenue Service 501(c) filing status; employer identification number (EIN); charitable deduction eligibility; the organization's annual income; and an activity identifier code. From introduction.

National Directory Of Nonprofit Organizations provides names, addresses, and annual income figures of more than 260,000 organizations, 180,530 of which have incomes in excess of $100,000. In addition, phone numbers are provided for 100% of listees in the

National Directory Of Nonprofit Organizations provides names, addresses, and annual income figures of more than 260,000 organizations, 180,530 of which have incomes in excess of $100,000. In addition, phone numbers are provided for 100% of listees in the

National Directory Of Nonprofit Organizations provides names, addresses, and annual income figures of more than 260,000 organizations, 180,530 of which have incomes in excess of $100,000. In addition, phone numbers are provided for 100% of listees in the