Purpora Engineering manufactures the Alert tank testing system and the Petro-Tite hydrostatic line and leak detector testing unit. Purpora has been in the testing industry for over 50 years and provides outstanding training and support to technicians and inspectors throughout the world. We also offer MyTankGauge, an online tool for your Wet Stock Management. Our parent company Stenstrom offers construction and service needs and Protanic is the premier testing company for your compliance needs.