Specialists in Soil Investigation
| Client | Project goal |
| Municipality of Haarlemmermeer, SGN | Approach and identification German bombs Rijsenhout |
| Rijkswaterstaat | Combined waterbottom survey North Sea |
| OpenIJ | Waterbottom detection for constuction of new seaport IJmuiden |
| Province of Noord-Holland | Detection and approach trajectory A9 |
| GMB - Van Oord | Detection and approach Mijnerswijk, Arnhem |
| Klerk Waterbouw | Detection and approach locks IJmuiden and Schellingwoude |
| Rijkswaterstaat | Detection and approach project Ruimte voor de Lek |
| Water Authority Hollands Noorderkwartier | Detection North Sea |
| Bouwcombinatie Stadsbrug Nijmegen | Detection and approach new bridge over Waal river |
| Municipality of Rozendaal | Detection and approach De Del, Rozendaal |
| OceAnco - Alblasserdam Yachtbuilding B.V. | Detection and approach |
| Vilente | Detection and approcah Gemeente Renkum |
| Prologis | Detecion survey Fokkerpark, Schiphol |
| Province of Noord-Holland | Detection and approach Ringvaart and Haarlemmermeerpolder |
| Dosco Dredging | Detection and approach Aarkanaal, Gouwe and Oude Rijn (ZH) |
| Ballast Nedam - De Klerk | Detection and approach sheetpiles Amsterdam-Rijnkanaal |
| Bedrijvenschap Regio Gouda | Detection survey municipality of Zuidplas |
| Municipality of Bronckhorst | Detection survey and slavaging operation WWII aircraft |
| Municipality of Deventer | Approach of suspect locations |
| BAM Roads | Detection and approach A12 |
| Rijnland Water Authority | Detection IJsseldijk Gouda |
| Hattum and Blankevoort Regio Noord | Detection and approach for construction of an underpass |
| ProRail | Approach railway track Utrecht CS-Leidse Rijn |
| Municipality of 's-Hertogenbosch | Detection and approach Orthen fortress and Hervensedijk |
| Boskalis Nederland | Detection and approach A20, municipality Zuidplas |
| Van Heteren Weg- en Waterbouw | Detection and approach airport Leeuwarden |
| Municipality of Rheden - GWW Ingenieurs | Detection and approach Geerfdenwei, Rheden |