| AguaLibre | http://www.agualibre.cl/ |
| Aqualab Scientific | https://www.aqualab.com.au/ |
| Logotronic Gmb | https://www.logotronic.at |
| MGB-Tech | https://www.mgb-tech.com/ |
| Campbell Scientific | https://www.campbellsci.com.br/ |
| Campbell Scientific | https://www.campbellsci.ca |
| Geneq | https://www.geneq.com/ |
| Geo Scientific Ltd. | http://www.geoscientific.com/ |
| AguaLibre | http://www.agualibre.cl/ |
| Beijing Water & Land Technology | https://www.waterland.com.cn/ |
| Technoaqua, s.r.o. | http://www.technoaqua.cz/ |
| Kem-En-Tec Nordic | https://kem-en-tec-nordic.com/products/categories/environmental-monitoring |
| Sistemas Tecnologicos | https://www.sistemastecnologicos.com.ec/ |
| Noor-Scientifc | https://noor-scientific.com/ |
| Bionef | https://www.bionef.fr/ |
| Terra4 | https://www.terra4.de/ |
| Techlab | https://www.techlab.hu/ |
| Campbell Scientific | https://www.campbellsci.in/ |
| MeaTech Solutions | https://www.meatechsolutions.com/ |
| Ganeca Environmental Services | https://www.gesi.co.id/ |
| Systea Spa | http://www.systea.it/ |
| Corr-Tek | http://www.corr-tek.it |
| Gi Supply | http://www.gisup.com |
| Lab-Environ Instruments | https://www.lab-environ.com/ |
| Vodapro | https://www.vodaproasia.com/ |
| Elard Group | http://www.elard-group.com/ |
| Unique Systems | http://uniquegroup.com |
| Aquavision | https://www.aquavision.nl/ |
| Aqualab Scientific | https://www.aqualab.com.au/ |
| Measure it AS | https://www.measureit.no/ |
| Zernike Panamá, S.A | https://www.zernikeal.com |
| Tech Enterprise | https://www.techenterprise.com.py/ |
| BP Integrated Technologies | https://www.bpit-inc.com/ |
| Mera | https://www.mera-sp.pl/ |
| Sour Group | http://waterprobes.pl/ |
| Grupo EIC Iberia | http://www.atspanama.com |
| Spectra-Teknik | https://www.spectra-teknik.com/ |
| Geowater Systems | https://www.geowater.co.za/ |
| Istek, Inc. | http://www.istek.co.kr/ |
| Alava Ingenieros | https://www.alava-ing.es/ |
| Kinetics | https://www.kinetics.co.th/ |
| Foramec | https://www.foramec.com/ |
| RS Hydro Ltd | http://www.rshydro.co.uk/ |
