1. Markes International Ltd., Wales, UK
2. Sepsolve Analytical, Peterborough, UK
3. Markes International GmbH, Offenbach, Germany
4. AVV Technology, New Delhi, India
5. National Reference Laboratory, ICAR-National Research Centre for Grapes, Pune, India
6. Accurate Laboratory, E-17, Madhavpura Market, Ahmedabad, India