| Organization | Department & Ministry | Institution Type | State |
|---|---|---|---|
| Bormah Jan Tea Co. (1936) Ltd. | — | — | West Bengal |
| Bosch Ltd. | — | — | Karnataka |
| Bose Institute | Ministry of Science & Technology (MoST) | — | West Bengal |
| Boss Profiles Ltd. | — | — | Tamil Nadu |
| Botanical Survey of India (BSI) | Ministry of Environment, Forest & Climate Change (MoEFCC) | — | West Bengal |
| Botil Oil Tools India Pvt. Ltd. | — | — | Delhi |
| B. P. Baria Science Institute | — | Science Centres & Planetaria | Gujarat |
| B P L Display Devices Ltd. | — | — | Uttar Pradesh |
| B P L Engineering Ltd. | — | — | Karnataka |
| B P L Ltd. | — | — | Karnataka |
| B P L Sanyo Pvt. Ltd. | — | — | Karnataka |
| B P L Techno Vision Pvt. Ltd. | — | — | Karnataka |
| B P L Telecom Pvt. Ltd. | — | — | Kerala |
| B P Oil Mills Ltd. | — | — | Uttar Pradesh |
| Bradma of India Ltd. | — | — | Maharashtra |
| Brahmaputra Cracker and Polymer Limited (BCPL) | Ministry of Chemicals and Fertilizers (MoCF) | — | Assam |
| Brahmaputra Hybrid Seeds Pvt.Ltd. | — | — | Telangana |
| Brahmaputra Valley Fertilizer Corporation Limited (BVFCL) | Ministry of Chemicals and Fertilizers (MoCF) | — | Assam |
| Brahmos Aerospace Pvt. Ltd. | — | — | Delhi |
| BrahMos Aerospace Thiruvananthapuram Ltd. | — | — | Kerala |
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