In co-operation with Grontmij Group, CTK offers a wide variety of services in the field of digital mapping, such as:

Photogrammetry	We acquire digital map data from soft and hard copy aerial photographs using state of the art photographic equipment, analytical stereo plotters, digital photogrammetric workstations, scanning and plotting equipment. We produce digital maps for our clients using an Intergraph Image Station.
Cartography	The acquired data is processed by special cartographic software. Databases are developed and integrated, irrespective of the method of acquisition. All products are structured and delivered according to the clients’ specifications.
Hydrography	CTK Network Aviation has access to Geogroep survey ships equipped with digital hardware for in- and off-shore hydrographic surveys, and renders services ranging from route surveillance for huge transportation projects to under water inspections and sea/river bed sampling.
Consulting	Photomaps are used for various Engineering and GIS (Geographic Information Systems) applications and require consultant services in many cases. CTK Network Aviation provides this service in conjunction with overseas partners.