Ajanta Pharma Limited, Guwahati
| Address | : | Guwahati - 781001 |
| State | : | Assam |
| District | : | Kamrup Metropolitan |
| Website | ||
| https://www.ajantapharma.com/ | ||
Eris Lifesciences Limited, Guwahati
| Address | : | Plot no 31, Bharhmaputra Industrial Park Sila, Sinduri Ghopa, North Guwahati, Guwahati - 781031 |
| State | : | Assam |
| District | : | Kamrup |
| Website | ||
| https://eris.co.in/ | ||
Natco Pharma Limited, Guwahati
| Phone | : | 362-3230471 362-3230473 |
| Address | : | Dag No. 749, 750, Vill: Kokjhar, Mirza, Guwahati - 781125 |
| State | : | Assam |
| District | : | Kamrup Metropolitan |
| Website | ||
| https://www.natcopharma.co.in/ | ||