| Lakshmanan Isola Pvt. Ltd. |
| Manufactures mica paper-based products for electrical rotating machines like generators, motors, and traction equipment. |
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| Senapathy Symons |
| Manufactures flexible electrical insulating materials in the form of composite materials and varnished fabrics that are used to cover various thermal indices in electrical rotating machines. |
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| Khedda Insulations |
| Manufactures various types of pressboard components used in power and distribution transformers to meet specific requirements of individual customers. |
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