Martrex: home of solutions based products and services for world business and industry Industrial,ethanol,yeast,yeast supplier,ethanol yeast,industrial chemicals,ethanol manufacturing,custom,synthsized isotopes,stable isotopes,martrex,isotopes,solutions,products,services Martrex Inc. is the home of yeast related products for the ethanol industry, chemicals for the chemical Industry as well as custom synthesized chemicals / custom synthesized stable isotopes for medical needs and research