DVR-Mechanical installs and maintains automatic fire sprinkler systems and also provides fire alarm, fire suppression, fire pump and backflow preventer testing services. The firm works on commercial projects across the Lower Rio Grande Valley, from Rio Grande City to South Padre Island, as well as Laredo and Corpus Christi, covering more than 15 counties. It is registered with the Texas State Fire Marshal’s Office as a fire sprinkler contractor (SCR-G-2099025). Staff hold NICET certification and are certified backflow prevention assembly testers. The company was established in 2015 and is based in La Feria.