Research Centers
- TRAIL Research School, the Netherlands
- Center for Underground Infrastructure Research and Education (CUIRE)
- Centrum voor Ondergronds Bouwen, the Netherlands
- Cargocap, Germany
- FOODTUBES, UK
- Smart Pipe Company, Houston, USA
- PIPE&NET, Italy
- Kyushu Institute of Technology, Japan
- International Freight Pipeline Society (IFPS), USA
- Magplane Technology, Inc., USA
- Sumitomo Metal Industries, Japan
- Ruhr-Universit?t Bochum, Bochum, Germany
- Texas A&M University, Galveston, USA
- Texas Transportation Institute, USA
- Mole Solutions, Cambridge, UK