- Graphic Hearing Aids, Chennai
- Synergy Systems, Indore, MP
- Chaturvedi Incorporates, Kolkata
- Shubhadi Enterprises, Hadapsar, Pune
- Ascent Medical Systems Pvt. Ltd. Agra UP
- Manovikasa Corporation, Hubli, Karnataka
- Dr. K.K. Sharan’s L.S. Institute of ENT Pvt. Ltd., Patna
- Chattisgarh Medico & Instruments Pvt. Ltd., Chattisgarh
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