GERSTEL Inc. maintains well equipped applications laboratories in Baltimore, MD and Rockford, IL, featuring the latest Agilent Technologies GC/MS and LC/MS instrumentation as well as the complete line of GERSTEL products. Our chemists have over 100 years of combined experience in a wide range of chemical analysis gained through tenures in private industry and government. Our Rockford laboratory run by Ray Marsili, specializes in analyses for the food and flavor industry, and benefits from his 30 years of experience in this field.