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Tunisian Propulsion Lab (TPL), A nonprofit organization (NPO) concerned of developing an advanced amateur aerospace technology and propulsion systems
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Tyvak Nano-Satellite Systems LLC provides NanoSat and CubeSat space vehicle products and services that target advanced state-of-the-art capabilities for government…
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The United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary…
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The U.S. Space & Rocket Center is offering a comprehensive U.S. manned space flight hardware museum and space education facilities.…
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The UCL Department of Space & Climate Physics, incorporating the Mullard Space Science Laboratory, Surrey, is one of the UK's…
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The UK Astronomy Technology Centre (UK ATC) is the UK's national centre for astronomical technology. It is part of the…
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The UK Space Agency is an executive agency of the Department for Business, Innovation and Skills (BIS) and at the…
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Umbilical Design was founded in 2001, and since its inception has worked with NASA and the European Space Agency (ESA)…
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United Launch Alliance (ULA) is a joint venture of Lockheed Martin and Boeing. ULA was formed in December 2006 by…
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The United Rocket and Space Corporation is a Russian joint-stock corporation formed by the Russian government in 2013 to renationalize…
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United Space Alliance (USA) is a spaceflight operations company. USA is a joint venture which was established in August 1995…
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The United States Geological Survey (USGS) is a scientific agency of the United States government. The scientists of the USGS…