1. Acclima Inc.
2. AquaCheck Ltd.
3. Aquamonix
4. Campbell Scientific Inc.
5. CropX Inc.
6. Delta-T Devices Ltd.
7. E.S.I. Environmental Sensors
8. Edaphic Scientific Pty. Ltd.
9. Irrometer Company Inc.
10. Meter Group
11. Ranch Systems Inc.
12. SDEC France
13. Sentek Pty. Ltd.
14. SGS Group
15. Stevens Water Monitoring Systems Inc.
16. The Decagon Devices Inc.
17. The Toro Company
18. VWR International
LLC