Among the notable users of papain the following list of clients are prominent though is not exhaustive.

Export Market        :  M/s. Industrial Marketing Corporation
                                Belgium

                                M/s. SA Biochem NV
                                Belgium

                                M/s. Enzyme Development Corporation
                                New york, USA

                                M/s. Biocatalysts
                                United Kingdom

                                M/s. CPC Wolfgang Mahulbaur GMBH
                                Germany

                                M/s. Worthington Biochemical Corpn.,
                                USA

Domestic Market  :  M/s. Boicon India Ltd.,
                               Bangalore

                               M/s. Biotan India Ltd
                               Chennai

                               M/s. United Breweries
                               Kanjikode,Palghat

                               M/s. Karnataka Breweries
                               Bangalore

                               M/s. Colonac Breweries
                               Chennai

                               M/s. Enzo Chem Laboratories
                               Nasik