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The Group of Karl Weiss, established in 1906, is a civil engineering and pipeline construction company with currently about 300 employees in Berlin, Germany. Karl Weiss has developed, patented and successfully used a number of innovative trenchless technologies: the trenchless starline® technologies for the rehabilitation of pressure pipelines using the fabric hose lining method and the trenchless hydros® technology for the replacement and new laying of pressure pipelines.
| Karl Weiss headquaters in Berlin, Germany |
GRI, established in 1976, manages a cooperative research, development and commercialization program for its 329 members and the natural gas industry. GRI conducts R&D that benefits the entire industry and its customers; and targeted benefits R&D in which consortia and individual organizations partner with GRI to develop or apply technologies to improve their competitiveness and benefit customers in specific gas and related energy markets.
| GRI
headquaters in Chicago, Il, USA |