BIS (ISI mark) certified manufacturers in Bihar
19 manufacturers in Bihar whose own website shows a BIS (ISI mark) certificate (Bureau of Indian Standards product licence), as of November 2026.
- Patna·BIS Licence · seen on the company's site 19 Sept 2026Source page
- Muzaffarpur·ISI Marked · seen on the company's site 2 Oct 2026Source page
- Muzaffarpur·is 100 · seen on the company's site 29 Oct 2026Source page
- Aurangabad(Bh)·is 604 · seen on the company's site 2 Oct 2026Source page
- Patna·ISI Marked · seen on the company's site 4 Oct 2026Source page
- Bhagalpur·BIS Approved · seen on the company's site 22 Oct 2026Source page
- Darbhanga·is 150 · seen on the company's site 18 Oct 2026Source page
- Patna·IS 1079 · seen on the company's site 28 Oct 2026Source page
- Patna·ISI Certification · seen on the company's site 20 Oct 2026Source page
- Siwan·ISI-certified · seen on the company's site 1 Oct 2026Source page
- Patna·is 100 · seen on the company's site 19 Sept 2026Source page
- Jehanabad·is 1074 · seen on the company's site 4 Oct 2026Source page
- Patna·ISI Marked · seen on the company's site 8 Oct 2026Source page