| nhgl.nl | Natural History Society of Limburg | The website of the Natural History Society of Limburg (NHGL) provides information on nature research, activities, publications, and membership. | Organizations → Professional Associations 1004 Nature → Zoology 180 | study group 25 publication 2018 member 10154 | Limburg → Roermond 2602 |
| gbecologie.nl | Gijs Bouwmeester Ecologie | The website of Gijs Bouwmeester Ecologie presents the services of an ecologist and tree care specialist, specializing in nature research, grazing, forest management, and the sale of natural meat packages. | Living → Forestry 353 Sustainability → Ecology & Environment 597 | forest management 28 tree care 245 | Meierijstad → Veghel 1288 |
| maasinbeeld.nl | Maas in Beeld | The website is dedicated to conducting nature research in the Maas valley. | Water → Rivers 180 Environment → Nature 8454 | flora 171 | Maastricht → Itteren 21 |
| heemparkheeg.nl | Stichting Heempark Heeg | The website also informs about recent bird breeding research in the park. | Parks → Public Park 15 Nature → Nature Reserves 1032 | walking paths 35 mushroom 223 orchard 240 fruit 1166 park 1863 | Southwest-Friesland → Heeg 227 |
| waterscouting-deijssel.nl | Waterscouting de IJssel | The website of Waterscouting de IJssel presents the association and provides information about the scout groups, activities, and membership. | Social Organization → Youth Organizations 1726 Water Sports → Sailing 1501 | scout group 43 scouting 860 sail 965 member 10154 | Zuidplas → Nieuwerkerk aan den IJssel 557 |
| zoon-ecologie.nl | Zoon Ecologie | Zoon Ecologie is a company specializing in nature research and policy development, with a focus on the intersection of culture and nature. | Business Structures → Sole Proprietorship 10 Environment → Nature Conservation 1803 | nature development 12 spatial plan 19 nature education 54 soil 930 | |
| ecoassist.nl | Eco Assist | Eco Assist is an ecological consultancy that conducts nature research and provides ecological advice. | Consulting → Environmental Consulting 555 Environmental Services → Ecological Consulting 63 | ecology 170 area development 219 | The Hague → Scheveningen 1625 |
| ecobureau-merula.nl | Ecobureau Merula | The agency conducts its own nature research, including surveys, measurements, and excursions. | Environmental Services → Ecological Consulting 63 Environment → Nature 8454 | excursion 662 | |
| ecochore.nl | Ecochore Natuurtechniek B.V. | The website describes services related to nature research, such as species mapping and distribution data. | Environmental Services → Ecological Consulting 63 Environment → Nature Conservation 1803 | nature development 12 monitor 1063 | |
| eco-planning.nl | Ecoplanning | Ecoplanning is an ecological consulting firm offering services for nature assessment, research, management, and projects in the Maastricht region and beyond. | Environmental Services → Ecological Consulting 63 | management advice 12 | Limburg → Maastricht 6008 |