- EPA Office of Underground Storage Tanks (OUST)
- Management of underground storage tanks (USTs) for petroleum and other products, response to tank leaks, and reuse of UST sites. U.S. Environmental Protection Agency. - Fiberglass Tank and Pipe Institute - A non-profit organization provideing information about fiberglass tanks and piping systems.
- Geostock - An international engineering group specialized in the design, construction and operation of underground storage facilities for liquid, liquefied and gaseous hydrocarbons.
- Leaking Underground Storage Tanks - A comprehensive introduction to the environmental aspects of underground storage of petroleum products. From Boulder, Colorado.
- Underground Storage Tank Requirements - U.S. EPA information on UST technical standards and other regulatory requirements.
- UST Services - Information about U.S. and California underground and aboveground storage tank requirements and testing, including offers for products and services.
