Holding companies Banks and banking 30 Law and legislation 17 Public utilities 12 Railroads 12 Financial institutions 8 Interstate commerce 7 Finance 6 Lobbying 5 Subsidiary corporations 5 Taxation 5 Business ethics 4 Consolidation and merger of corporations 4 Securities 4 Accounting 3 Administrative law 3 Big business 3 Governmental investigations 3 Mutual funds 3 Savings and loan associations 3 Competition, Unfair 2 Conglomerate corporations 2 Corporations 2 Corporations, Foreign 2 Financial statements, Consolidated 2 Foreign trade promotion 2 Income tax 2 Loans 2 Restraint of trade 2 Standards 2