| 91137 | Integrated facilities for flood control, administrative services related to the construction of | |
| 91137 | Integrated facilities for flood control, administrative services related to the design of | |
| 91137 | Integrated facilities for flood control, administrative services related to the improvement of | |
| 91137 | Integrated facilities for flood control, administrative services related to the operation of | |
| 91137 | Integrated facilities for flood control, administrative services related to the planning of | |
| 91137 | Integrated facilities for irrigation, administrative services related to the construction of | |
| 91137 | Integrated facilities for irrigation, administrative services related to the design of | |
| 91137 | Integrated facilities for irrigation, administrative services related to the improvement of | |
| 91137 | Integrated facilities for irrigation, administrative services related to the operation of | |
| 91137 | Integrated facilities for irrigation, administrative services related to the planning of | |
| 91137 | Integrated facilities for navigation, administrative services related to the construction of | |
| 91137 | Integrated facilities for navigation, administrative services related to the design of | |
| 91137 | Integrated facilities for navigation, administrative services related to the improvement of | |
| 91137 | Integrated facilities for navigation, administrative services related to the operation of | |
| 91137 | Integrated facilities for navigation, administrative services related to the planning of | |
| 91137 | Integrated facilities for power generation, administrative services related to the construction of | |
| 91137 | Integrated facilities for power generation, administrative services related to the design of | |
| 91137 | Integrated facilities for power generation, administrative services related to the improvement of | |
| 91137 | Integrated facilities for power generation, administrative services related to the operation of | |
| 91137 | Integrated facilities for power generation, administrative services related to the planning of | |
| 91137 | Integrated facilities for recreation, administrative services related to the construction of | |
| 91137 | Integrated facilities for recreation, administrative services related to the design of | |
| 91137 | Integrated facilities for recreation, administrative services related to the improvement of | |
| 91137 | Integrated facilities for recreation, administrative services related to the operation of | |
| 91137 | Integrated facilities for recreation, administrative services related to the planning of | |
| 83563 | Integrated mechanical systems, testing and analysis of | |
| 83142 | Integration, hardware and software, consulting services concerning | |
| 82130 | Intellectual property rights consultancy services | |
| 82130 | Intellectual property rights, certification of | |
| 82130 | Intellectual property rights, drafting of | |
| 82130 | Intellectual property rights, preparation of | |
| 91240 | Intelligence services, military | |
| 91240 | Intelligence, military, administrative services related to | |
| 81300 | Interdisciplinary research and experimental development services | |
| 91114 | Interdisciplinary research, administrative services related to | |
| 83410 | Interior decorating services | |
| 83410 | Interior decorating, drawing-up of designs for | |
| 83410 | Interior decorators, services of | |
| 83410 | Interior design services | |
| 54720 | Interior plaster work, construction of | |