Below is an (incomplete) list of all the affiliations of people that registered to previous GTOCs
- AeroDank Inc., USA
- A.I. Solutions, USA
- Akademische Raumfahrt Initiative Schweiz, Switzerland
- Advanced Space, LLC
- Alcatel Alenia Space, France – Platform & Satellite Group
- Analytical Mechanics Associates, Inc. – USA
- Axiom Research Lab, India
- Basque Center for Applied Mathematics (BCAM), Spain
- Beihang University, China – School of Astronautics
- Beijing Aerospace Control Center – China Academy of Defense Technology, China
- Beijing Institute of Technology, China
- Belfort Montbeliard Technological University, France
- Canyon Crest Academy, USA
- California Polytechnic State University, USA
- Carnegie Mellon University, USA
- Chinese Academy of Sciences, China – Technology and Engineering Center for Space Utilization (CSU)
- Chinese Academy of Sciences, China – Academy of Opto – Electronics
- Chinese Academy of Sciences, China – Purple Mountain Observatory (PMO)
- Chinese Academy of Sciences, China – Center for Space Science and Applied Research
- CMA Ecoles des Mines de Paris, France
- CNES Centre National d’Etudes Spatiales, France
- CNR-INSEAN, Italy
- CS Group, France
- CU Boulder, USA
- Deimos Space, Spain
- Delft University of Technology, The Netherlands – Space Trajectories Advanced Research by Students (STARS) Team
- Delft University of Technology, The Netherlands – Department OF Mechanical Engineering
- Dinamica, Italy
- DLR (Deutsches Zentrum fuer Luft- und Raumfahrt), Germany – Institute of Space Systems
- DLR GSOC, Germany
- Duke University, Durham, North Carolina, USA Department of Computer Science
- Dutch Space, The Netherlands
- EADS Astrium Ltd., Germany
- EADS Astrium Ltd., Stevange, United Kingdom
- Embry-Riddle Aeronautical University at Prescott, USA
- ESOC (European Space Operations Centre), Darmstadt, German
- ESTEC (European Space Research and Technology Center), the Netherlands
- European Space Agency, The Netherlands – Advanced Concepts Team
- Federal University of Parana, Brazil
- Federal University of Santa Carina, Brazil
- FH-Aachen University of Applied Sciences, Germany
- FUNDP (Facultes Universitaires Notre-Dame de la Paix), Belguim – Dept of Mathematics
- Georgia Institute of Technology, USA
- Glenn Research Center, NASA – USA
- GMV, Spain
- Harbin Engineering University, China
- Hong Kong University of Science and Technology, China – Center for Space Science Research
- IIT (Istituto Italiano di Tecnologia), Italy
- IKI Space Research Institute of Russian Academy of Sciences, Russia
- Indian Institute of Technology Hyderabad, India
- Indian Institute of Technology, Kanpur, India
- Information Engineering University of China
- Innovation Academy for Microsatellites of Chinese Academy of Science
- INRIA Saclay and University of Paris Sud XI, France
- Institute of Mathematics and CS, Moldovan Academy of Sciences, Moldova
- Institute for System Dynamics and Control Theory of Siberian Branch o Russian
Academy of Sciences, Russia - International Space University (ISU), France
- ISAE-SUPAERO, France
- ISRO (Indian Space Research Organisation), India
- IST, Portugal – Non-Linear Dynamics Group, Dep. Physics
- JAQAR Space Engineering, The Netherlands
- JAXA Mission Design Lab, Japan
- Jawaharlal Nehru Technological University, India – Department of Aero
- Jet Propulsion Laboratory, USA – Outer Planets Mission Analysis Group
- Jena University, Institute of Mathematics
- Khrunichev State Research and Production Space Center, Russia
- King Juan Carlos University, Madrid, Spain
- Lunar Exploration and Space Engineering Center, China
- Michigan Technological University, USA
- Moscow State University, Russia – Faculty of Mechanics and Mathematics
- Moscow Aviation Institute (MAI), Russia
- Munich University of Technology, Germany – Center for Mathematics
- Nanjing University of Aeronautics and Astronautics, China – College of Astronautics
- NASA Goddard Space Flight Center, USA
- NASA Langley Research Center, USA
- National Space Science Center, Chinese Academy of Sciences, China
- Nanjing University, China – School of Astronomy & Space Science
- National University of Defense Technology, China – College of Aerospace and Material Engineering,
- National University of Singapore, Singapore
- Naval Postgraduate School, USA
- Northern Illinois University, USA
- Northwestern Polytechnical University, China
- Odyssey Space Research, LLC, USA
- Omitron-AI, USA
- Optimization Command & Control Systems, France
- Peking University, China Department of Aeronautics and Astronautics, College of Engineering
- Planetary Science Institute, USA
- Politecnico di Milano, Italy – Aerospace Enginnering Department
- Politecnico di Torino, Italy – Dipartimento di Ingegneria Meccanica e Aerospaziale
- Politecnico di Torino, Italy – Dipartimento di Energetica
- Polytechnic University College of Alicante, Spain
- Pontifical Catholic University of Parana (PUCPR) – Industrial and Systems Engineering Graduate Program (PPGEPS), Curitiba, Brazil
- Rensselaer Polytechnic Institute, Troy, NY, USA
- Republican Center for Space Communication and Electromagnetic Compatibility of Radio Electronic Equipment, Kazakhstan
- Results ByIQ, LLC, San Francisco, California, USA
- Research Institute of Applied Mechanics and Electrodynamics (RIAME), Russia
- Sharif University of Technology, Tehran, Iran
- Sergio Arboleda University at Bogota, Colombia
- Skolkovo Institute of Science and Technology, Russia
- Sri Venkateswara College of Engineering, Tamil Nadu, India
- State Key Laboratory of Astronautic Dynamics (ADL), Xi’an Satellite Control Center, China
- State University of New York, USA
- Sun Yat-sen University, China
- Telespazio VEGA Deutschland, GmbH, Germany
- Technical University of Delft, The Netherlands
- Technical University of Madrid, Spain
- Technical University Munich, Germany
- Thales Alenia Space, France
- Thales Alenia Space, Italy
- The Aerospace Corporation, USA
- Texas A&M University, USA
- Tsinghua University, China
- Tsinghua University, China – School of Aerospace Engineering
- TTI GmbH, Germany – Department Astos Solutions
- Universidad de Antioquia, Colombia – Group of Computational Physics and Astrophysics
- Universita` di Roma “Sapienza”, Italy – Dipartimento di Ingegneria Meccanica e Aerospaziale
- Universita` di Roma “Sapienza”, Italy – Department of Computer and System Sciences
- Universita` di Roma “Sapienza”, Italy – Dipartimento di Ingegneria Informatica Automatica e Gestionale (DIAG)
- Universitat Politècnica de Catalunya, Spain
- University of Bremen, Germany – O2C: Optimization & Optimal Control Zentrum fuer Technomathematik (ZeTeM)
- University of Buenos Aires, Argentina
- University of Bologna
- University of California, Irvine, USA
- University of Colorado, USA – Colorado Center for Astrodynamics (CCAR)
- University of Colorado Boulder, USA
- University of Geoscience, China – College of Computer Science
- University of Glasgow, Scotland – Department of Aerospace Engineering
- University of Hawaii at Manoa, USA – Department of Mechanical Engineering
- University of Hawaii at Manoa, USA – Department of Mathematics
- University of Illinois at Urbanan, USA – Department. of Aerospace Engineering
- University of Ioannina, Greece – Department of Computer Science
- University of Friedrich – Schiller, Jena, Germany – Mathematical Optimization
- University of Maribor, Slovenia – Dept of Electrical Engineering
- University of Missouri-Columbia, USA
- University of Michigan, USA – Department of Aerospace Engineering
- University of North Carolina at Charlotte, USA
- University of Paderborn, Germany – Institute for Industrial Mathematics,
- University of Pisa, Italy – Dipartimento di Ingegneria Aerospaziale
- University of Strathclyde, Scotland
- University of Southampton, UK
- University of Tennessee, USA – Space Institute
- University of Texas at Austin, USA – Department of Aerospace Engineering and Engineering Mechanics
- University of Trento, Italy – Department of Mechanical and Structural Engineering
- University of Trento, Italy – Department of Industrial Engineering
- Vantage Partners LLC, USA
- Virginia Tech, USA
- Western Michigan University, USA – Mechanical & Aeronautical Engineering
- West Virginia University, USA – Department of Mechanical and Aerospace Engineering
- Wuhan University, China – Department of Engineering Mechanics
- Zhengzhou Institute of Surveying & Mapping, China
- ZIN Technologies Inc., USA