BSE SME adds two more companies to its platform; total listed companies reach 412 BSE SME adds two more companies to its platform; total listed companies reach 412 BSE SME, the largest SME Exchange in India, has announced the listing of two companies. Kaustubh Bhosale / Friday, January 13, 2023 / Article rating: 3.8 The Maharashtra-based company with a registered office in Mumbai is engaged in the business of manufacturing industrial sealing and packing products.