Organizations
- Accion Systems / Revolution Space
- Advanced Space, LLC
- Ames Research Center — SST Program Home
- Arizona State University — Tempe
- Blue Canyon Technologies (BCT)
- Busek Co. Inc.
- California State University, Los Angeles
- California Institute of Technology
- Carnegie Mellon University
- Colorado School of Mines
- CU Aerospace, LLC
- Espace, Inc.
- ExoTerra Resource (now Voyager Technologies)
- Georgia Institute of Technology
- Glenn Research Center (GRC)
- Goddard Space Flight Center — SST Institutional Page
- Jet Propulsion Laboratory — SST Institutional Page
- Johnson Space Center — SST Institutional Page
- Kayhan Space Corp
- Langley Research Center (LaRC)
- Marshall Space Flight Center (MSFC)
- Massachusetts Institute of Technology (MIT)
- Montana State University — Bozeman
- Northrop Grumman — SSEP / NGHT-1X
- Pennsylvania State University
- Phase Four
- Purdue University
- Rochester Institute of Technology
- Rubicon Space Systems / Plasma Processes, LLC
- San Diego State University
- Stanford University
- Starfish Space, Inc.
- Stellar Exploration, Inc.
- Tethers Unlimited, Inc. → AMERGINT → ARKA → CACI
- Turion Space Corp
- Tyvak Nano-Satellite Systems / Terran Orbital
- University of Dayton
- University of Maryland, College Park
- University of Miami
- University of Minnesota, Twin Cities
- University of Vermont
- University of California, Irvine
- University of California, Los Angeles
- University of Illinois at Urbana-Champaign (UIUC)
- University of Arizona
- University of Arkansas
- University of Florida
- University of Michigan
- University of Texas at Austin
- Utah State University
- Vast Space