The Berlin Instrumentation Services Group (The B.I.S. Group) is located in West Hartford, Connecticut, and was founded in 1992. For over twenty years, we have been providing professional calibration services to quality-regulated clients for DEP and DEEP annual certifications. Comprised of multiple divisions, our expertise is in clean water, waste-water, and process control instrumentation. The B.I.S. Group offers superior, diversified capabilities to our clients, so let our company assist you in all your instrumentation, and maintenance needs.