Established in Houston, Texas, Otis Instruments, Inc. has been an international force in gas detection since 1983. We are founded on a commitment to exceptional customer service, quality products, and are constantly seeking the latest technologies for our clients to keep their workers safe.

We are a manufacturer of WireFree (wireless) and wired gas detection and monitoring systems for toxic, combustible, oxygen, and carbon dioxide gasses. 

Otis Instruments also provides: telemetry (OtisLink), flame detections, sirens, lights/strobes, personal monitors, product training, and various other products and services for a variety of all of your safety, data, and protection needs.

As the innovators of WireFree gas detection technology since 2005, Otis Instruments has set the standard for competitive product lines in many industries.