Ranked India-based API manufacturers
01 India
Makes the APIFinished dose
Credentials confirmed against the regulator files on 25 July 2026
Holds 2 active US DMFs and 4 valid CEPs for guaifenesin, filing since 1999. Its 2025 FDA inspection closed as VAI, and its GMP is recognised in 7 markets.
Last FDA inspection
2025 · VAI
GMP recognised in
7 markets
Credentials confirmed against the regulator files on 25 July 2026
Holds one active US DMF for guaifenesin, filing since 1993. Its 2024 FDA inspection closed as NAI.
Last FDA inspection
2024 · NAI
GMP recognised in
Not established
Credentials confirmed against the regulator files on 25 July 2026
Holds one valid CEP for guaifenesin, filing since 2024. Its 2023 FDA inspection closed as VAI.
Last FDA inspection
2023 · VAI
GMP recognised in
Not established
2 more manufacturers in India hold filings for guaifenesin
The names are listed below. The filings, inspection history and GMP certificates behind
each one are available with a free account.
Open the full list with a free account How this list is built
This page filters the worldwide Guaifenesin manufacturer list to
companies based in India. The order is set by active filings weighted by regulator,
inspection outcomes and their recency, breadth of GMP recognition, and evidence of real
exports, less any open risk flags.
Read the full method.