- Association for Payment Clearing Services
- Association of British Chambers of Commerce
- Association of British Factors
- Association of Certified and Corporate Accountants
- Association of International Bond Dealers
- Association of Management Consultants
- Association of Primary Dealers in Government Securities
- Association of Scientific, Technical and Managerial Staff
- Association of South East Asian Nations
- Agricultural Cooperative Association
- Aluminium Stockholders Association
- American Association of Advertising Agencies
- American Association of Equipment Lessors
- American Arbitration Association
- American Banker's Association
- American Economic Association
- American Management Association
- American Social Science Association
- American Sociological Association
- American Standards Association
- American Statistical Association
- American Trucking Association
- British Bankers' Association
- British Engineering Standards Association
- British Insurance Association
- British Merchant Banking and Securities Association
- British Overseas Banks Association
- Building Society Association
- Canadian Engineering Standards Association
- Central Landowners Association
- Civil Service Clerical Association
- Consumers' Association
- Engineers' and Managers' Association
- European Association for Animal Production
- European Free Trade Association
- Family Planning Association
- Federal National Mortgage Association
- Federal Savings and Loan Association
- Finance Houses Association
- Foreign Credit Insurance Association
- Government National Mortgage Association
- Health Insurance Association of America
- Independent Bankers' Association
- Independent Natural Gas Association of America
- Inter-American Association of Industrial Property
- International Association for Quality Research on Food Plants
- International Association for Research in Income and Wealth
- International Association for the Protection of Industrial Property
- International Association of Agricultural Economists
- International Association of Food Distribution
- International Association of Horticultural Producers
- International Association of Soil Science
- International Development Association
- International Patent and Trademark Association
- International Sociological Association
- International Standards Association
- Investment Bankers' Association
- Issuing Houses Association
- Latin-American Free Trade Association
- Life Insurance Association of America
- Life Office Management Association
- London Discount Market Association
- National Association for the Advancement of Colored People
- National Association of Accountants
- National Association of Bank Auditors and Controllers
- National Association of Business Economists
- National Association of Cost Accountants
- National Association of County Agricultural Agents
- National Association of Electric Companies
- National Association of Home-Builders
- National Association of Insurance Brokers
- National Association of Investment Clubs
- National Association of Investment Companies
- National Association of Investors' Brokers
- National Association of Manufacturers
- National Association of Purchasing Management
- National Association of Realtors
- National Association of Regulatory Utility Commissioners
- National Association of Securities Dealers and Investment Managers
- National and Local Government Officers' Association
- National Birth Control Association
- National Farm Loan Association
- National Futures Association
- National Machine Accountants Association
- National Pest Control Association
- National Planning Association
- National Security Industrial Association
- New York Patent Law Association
- Pacific Industrial Property Association
- Population Association of America
- Production Credit Association
- Production Engineering Research Association
- Railway Accounting Officers' Association
- Scandinavian Agricultural Research Workers' Association
- Securities Association
- Transport Salaried Staff's Association
- World Association for the Struggle Against Hunger
- World Association of Industrial and Technological Research Organizations
- World Association of Travel Agencies