Aerial surveying services; Agricultural research; Aircraft design; Design and development of computer software; Development and creation of computer programmes for data processing; Engineering surveying; Geological surveying; Information technology consulting services; Land surveying; Marine surveying services; Mineral exploration services; Photogrammetry services; Product development for others; Product testing; Rental of application software; Rental of measuring apparatus; Research and development of computer software; Technical research in the field of aeronautics; Technical surveying; Topographical surveying