NAMA is registered in the following Engineers Associations:
| Design Category | Class |
|---|---|
| Hydraulic Works studies | 5 |
| Transport studies | 5 |
| Structural studies | 5 |
| Topographic studies | 5 |
| Geotechnical studies and investigations | 5 |
| Environmental studies | 4 |
| Mechanical, Electrical and Electronic studies | 4 |
| Economic studies | 2 |
| Geological, Hydrogeological and Geophysical studies and investigations | 2 |
| Energy studies | 1 |
| Studies of Management and Business research | 1 |
| Urban and Road studies | 1 |
| Architectural studies of buildings | 1 |
| Port works studies | 1 |
| Means of Transport studies | 1 |
| Industrial studies | 1 |
| Computer and Network studies | 1 |
The staff of NAMA also participate in many scientific institutes and associations (Technical Chamber of Greece, Hellenic Institute of Transportation Engineers, Geotechnical Chamber of Greece, etc). Furthrermore, NAMA is ISO / IEC 27001:2013, EN ISO 9001:2015 and EN ISO14001:2015 certified while employing certified engineers from SAVE international.