Humboldt University (OKZ: 00)
- President / Vice-Presidents (OKZ: 0100)
- University Administration (OKZ: 02)
- Administrative Bodies and Committees (OKZ: 03)
- Faculty of Law (OKZ: 10)
- Faculty of Life Sciences (OKZ: 21)
- Faculty of Mathematics and Natural Sciences (OKZ: 33)
- Faculty of Humanities (OKZ: 51)
- Faculty of Language, Literature and Humanities (OKZ: 52)
- Faculty of Humanities and Social Sciences (OKZ: 55)
- Faculty of Theology (OKZ: 60)
- Faculty of Economics and Business Administration (OKZ: 70)
  Dean / Deputy Dean (OKZ: 7001)
  
  Faculty Management (OKZ: 7002)
  
  Administrative Bodies and Committees (OKZ: 7003)
  
  Scientific Units (OKZ: 7010)
  
  Sections / Chairs (OKZ: 701010)
  
  Taxation and Tax Management Studies (OKZ: 701012)
  
  Finance (OKZ: 701013)
  
  Public Economics (OKZ: 701014)
  
  Management Studies (OKZ: 701015)
  
  Applied Micro Economics (OKZ: 701016)
  
  Marketing (OKZ: 701017)
  
  Consumer Behavior (OKZ: 701018)
  
  Competition Policy (OKZ: 701019)
  
  Econometrics (OKZ: 701021)
  
  AI in Business and Economics (OKZ: 701022)
  
  Accounting and Auditing (OKZ: 701023)
  
  Statistics (OKZ: 701024)
  
  Political Economics, particularly Economic History (OKZ: 701025)
  
  Computer Science in Economics (OKZ: 701026)
  
  Economic Politics (OKZ: 701027)
  
  Economic Theory I (OKZ: 701028)
  
  Economic Theory II (OKZ: 701029)
  
  Migration Economics (OKZ: 701031)
  
  Industrial Organization (OKZ: 701034)
  
  Corporate Finance (OKZ: 701035)
  
  Business Administration (OKZ: 701036)
  
  Entrepreneurial and Behavioral Decision Making (OKZ: 701037)
  
  Political Economics (Macroeconomics and Financial Markets) (OKZ: 701046)
  
  Political Economics (Applied Microeconomics) (OKZ: 701048)
  
  Makroeconomics (OKZ: 701052)
  
  Accounting (OKZ: 701054)
  
  Statistik and Data Science (OKZ: 701058)
  
  Economic Migration and Integration Research (OKZ: 701062)
  
  Organizational Economics - Future of Work (OKZ: 701063)
  
  Collaborative Research Centres / Graduate Colleges / Honorary Academic Staff (OKZ: 701080)
  
  Technical Support and Services (OKZ: 701090)
  
  Rationality and Competition (OKZ: 701011)
  
  Macroeconomics I (OKZ: 701032)
  
  Macroeconomics II (OKZ: 701033)
- Center for the Science of Materials Berlin (OKZ: 81)
- Centre for British Studies (OKZ: 82)
- Central Institute Professional School of Education (OKZ: 83)
- Hermann von Helmholtz-Centre for Cultural Techniques (OKZ: 84)
- Integrative Research Institutes (OKZ: 85)
- Excellency Cluster (OKZ: 86)
- Humboldt Graduate School (OKZ: 87)
- Interdisciplinary Research Centres (OKZ: 88)
- Other Interdisciplinary Units (OKZ: 89)
- Central Unit - Language Centre (OKZ: 91)
- Central Unit - University Library (OKZ: 92)
- Central Unit - Computer and Media Service (OKZ: 93)
- Central Unit - Sport and Recreation (OKZ: 94)
- additional Central Institutes (OKZ: 96)
- Institutes "within" the Humboldt-Universität zu Berlin and Non-affiliated Units (OKZ: 99)