- Attila Aradi Surveyor engineer
- Dr. Gyula Molnar Regius professor, Ornitologist
- Csaba Barkoczi Environmentally appraising-geografist, Ornithologist
- Elinor Engineering Office
- ELTI Engineering Office
- Infoplan Engineering Office
- Agroszint Engineering Office
- Rezonátor Engineering Office
- Pannergy
- MKTEAM Engineering Office
- Argilla Engineering Office
- TerrAgro Experting Office