- National Association of EMS Educators
- National Association of Enrolled Agents
- National Association of Environmental Professionals
- National Association of Federal Credit Unions
- National Association of Home Builders
- National Association of Housing and Redevelopment Officials
- National Association of Industrial and Office Properties
- National Association of Insurance and Financial Advisors - Hawaii State)
- National Association of Juneteenth Lineage Inc.
- National Association of Landscape Professionals
- National Association of Local Boards of Health
- National Association of Manufacturers
- National Association of Negro Business and Professional Women's Clubs, Inc.
- National Association of Pastoral Musicians
- National Association of Professional Geriatric Care Managers
- National Association of Public Hospitals and Health Systems
- National Association of Real Estate Investment Trusts
- National Association of Realtors
- National Association of Regulatory Utility Commission
- National Association of Residential Property Managers
- National Association of Retired and Senior Volunteer Program Directors, Inc.
- National Association of School Nurses
- National Association of Sports Commissions
- National Association of Statework Force Agencies
- National Association of Trial Lawyer Executives
- National Association of Truck Stop Operators, Inc.
- National Association of Urban Bankers
- National Association of Wheat Growers
- National Association of Women Business Owners NAWBO)
- National Athletic Trainers Association Board of Certification Inc
- National Athletic Trainers' Association
- National Bar Association
- National Beauty Culturists League Inc.
- National Benefit Resources - UHG
- National Benevolent Association
- National Benevolent Association of the Christian Church
- National Black Caucus of State Legislators
- National Black Child Development Institute
- National Black Nurses Association
- National Black United Fund Inc.
- National Business Education Association
- National Business Travel Association
- National Catholic Educational Association NCEA)
- National Cattlemen's Beef Association
- National Center For Small Communities
- National Child Support Enforcement Association
- National City Bank
- National Civil Rights Museum
- National Committee to Preserve Social Security and Medicare
- National Confectioners Association