TriStem is a team of dedicated professionals passionate about bringing awareness to the challenges consumers face in regard to utility cost containment, billing practices and accountability. We strive to provide the very best service for our clients and proof of our dedication is evident in our results. Based in Robinson, TX, TriStem has been successfully operating since 1979. Our experience and extensive client list extends across all 50 states, Canada and Puerto Rico. Our clients include the General Services Administration, United States Postal Service, Coast Guard, Veterans’ Administration Hospitals as well as private sector commercial and industrial businesses across the US.