| 1. | Accounting |
| 2. | Agent Systems |
| 3. | Analytic Hierarchy Process |
| 4. | Applications, Agriculture and Forestry |
| 5. | Applications, Airline |
| 6. | Applications, Arts |
| 7. | Applications, Climate change |
| 8. | Applications, Computer Science |
| 9. | Applications, Electronic Services |
| 10. | Applications, Energy |
| 11. | Applications, Maritime Logistics |
| 12. | Applications, Mining |
| 13. | Applications, Sports |
| 14. | Applications, Water Management |
| 15. | Applied Probability |
| 16. | Artificial Intelligence |
| 17. | Auctions / Competitive Bidding |
| 18. | Big Data |
| 19. | Complex Societal Problems |
| 20. | Complexity and Approximation |
| 21. | Computational Biology |
| 22. | Cutting and Packing |
| 23. | Data Envelopment Analysis |
| 24. | Data Mining |
| 25. | Decision Support Systems |
| 26. | Decision Theory and Analysis |
| 27. | Developing Countries |
| 28. | Disaster and Crisis Management |
| 29. | Distributed Computing |
| 30. | Dynamic Systems |
| 31. | E-Commerce |
| 32. | Economic Modeling |
| 33. | Education |
| 34. | Enterprise Resource Planning |
| 35. | Environmental Management |
| 36. | Ethics and OR |
| 37. | Expert Systems and Neural Networks |
| 38. | Facilities Planning and Design |
| 39. | Finance |
| 40. | Flexible Manufacturing Systems |
| 41. | Forecasting |
| 42. | Fuzzy Sets and Systems |
| 43. | Game Theory |
| 44. | Graph Theory |
| 45. | Health Care |
| 46. | History of OR |
| 47. | Human Resources Management |
| 48. | Information Systems |
| 49. | International Business and Collaboration |
| 50. | Inventory Management |
| 51. | Knowledge Engineering and Management |
| 52. | Location |
| 53. | Logistics |
| 54. | Machine Learning |
| 55. | Marketing |
| 56. | Matheuristics |
| 57. | Metaheuristics |
| 58. | Military Operations Research |
| 59. | Modeling Systems and Languages |
| 60. | Multi-Criteria Decision Analysis |
| 61. | Natural Resources |
| 62. | Network Design |
| 63. | Network Flows |
| 64. | Open Source Software |
| 65. | Operations Management |
| 66. | Optimal Control |
| 67. | Optimization, Combinatorial |
| 68. | Optimization, Continuous |
| 69. | Optimization, Convex |
| 70. | Optimization, Engineering |
| 71. | Optimization, Global |
| 72. | Optimization, Industrial |
| 73. | Optimization, Interior Point |
| 74. | Optimization, Large Scale |
| 75. | Optimization, Modeling |
| 76. | Optimization, Multi-Objective |
| 77. | Optimization, Non-smooth |
| 78. | Optimization, Nonlinear Discrete |
| 79. | Optimization, Robust |
| 80. | Optimization, Stochastic |
| 81. | OR in Education |
| 82. | OR in the Public Sector |
| 83. | probability |
| 84. | Production |
| 85. | Programming, Constraint |
| 86. | Programming, Dynamic |
| 87. | Programming, Integer |
| 88. | Programming, Linear |
| 89. | Programming, Mathematical |
| 90. | Programming, Nonlinear |
| 91. | Programming, Quadratic |
| 92. | Programming, Semi-Infinite |
| 93. | Programming, Semidefinite |
| 94. | Programming, Sequential Quadratic |
| 95. | Programming, Stochastic |
| 96. | Project Management and Scheduling |
| 97. | Public Tranport and Traffic |
| 98. | Quality Management |
| 99. | Queueing Systems |
| 100. | Reliability |
| 101. | Revenue Management and Pricing |
| 102. | Reverse Logistics / Remanufacturing |
| 103. | Risk Analysis and Management |
| 104. | Rostering |
| 105. | Routing |
| 106. | Scheduling |
| 107. | Service Science |
| 108. | Simulation |
| 109. | Soft OR |
| 110. | Software Engineering |
| 111. | Software for OR |
| 112. | Stochastic Models |
| 113. | Strategic Planning and Management |
| 114. | Supply Chain Management |
| 115. | Sustainable Development |
| 116. | System Dynamics |
| 117. | Telecommunications |
| 118. | Territory Design |
| 119. | Timetabling |
| 120. | Transportation |
| 121. | Variational Problems |
| 122. | Warehouse Design, Planning, and Control |