Some, however, don’t take the step to microchip their dog and provide an additional level of protection. Microchips, which are no larger than a grain of rice, are enclosed in a glass capsule.

Save This Life is one of more than 40 microchip companies in the U.S. The Texas-based company was listed as inactive Tuesday, Feb. 11, according to Texas' comptroller franchise tax records.

If you don’t register your pet’s microchip, your contact information is not attached to it. So even if your pet is found by someone and brought to a vet or an animal shelter to get scanned ...