We offer Customer Service Inspection (CSI). All services are offered to residential & commercial customers. We are a locally and privately owned company founded by local Schertz resident, James & Rebecca Garvin​​.

We serve the Bexar, Comal, Guadalupe counties and their surrounding areas. We complete all your paperwork and mail it directly to your utility company for you. You will also receive automatic renewal reminders for your convenience.

We work in conjunction with Property Management Companies, Builders, and Owners to prevent contamination and costly repairs. We specialize in backflow prevention and irrigation management for commercial and residential properties. ​

Our promise to you is honesty, integrity, and professionalism in a job well done. When you want service today, you can count on GIS.​