The Aquarius Reef Base is an underwater research lab located on the ocean floor (62 feet below the surface), 5+ miles off of Key Largo in the Florida Keys National Marine Sanctuary. Aquarius Reef Base is owned and operated by Florida International University (FIU). The Medina Aquarius Program is part of the FIU Marine Education and Research Initiative and is dedicated to the study and preservation of marine ecosystems worldwide, with a focus on research, educational outreach, technology development, and professional training.Aquarius is the only facility of its kind and offers maximum efficiency and access for the study and exploration of a region particularly susceptible to global environmental threats. Its unique capabilities also make it one of the few sites ideal for undersea equipment testing and training for study and exploration in extreme environments such as space.

Axiom Space is an American privately funded space infrastructure developer and mission operator. Axiom is developing the first commercial space station and sending commercial astronauts to the International Space Station starting in 2022. Axiom seeks to assemble crew members for its private missions who have demonstrated a lifelong commitment to improving the world around them, and who share Axiom’s vision of going to space not for its own sake, but for the benefit of our species and planet.Axiom was founded in 2016 by Michael Suffredini and Dr. Kam Ghaffarian. Mr. Suffredini served as NASA’s ISS Program Manager from 2005 to 2015, and Dr. Ghaffarian founded Stinger Ghaffarian Technologies, Inc., which trained NASA astronauts and helped operate the ISS.

Blue Origin is a private aerospace manufacturer and suborbital spaceflight services company founded by Jeff Bezos in 2000. The company was founded with a vision of benefiting Earth by moving industries into space and a mission to make space cheaper and more accessible though reusable launch vehicles. Blue Origin has designed, built, and flown several test flights for its suborbital New Shepard vehicle and is developing an orbital vehicle called New Glenn. In 2019, the company announced plans for a moon lander called Blue Moon. Blue Origin is headquartered in Kent, Washington.

The Desert Mars Analog Ramon Station (D-MARS) is an analog Mars research station located in Israel's Ramon Crater, a location that geographically resembles the Martian surface. D-MARS has created special educational programs and established a state-of-the-art course for its analog astronauts and control room operators.

D-MARS collaborates with corporations, educational institutions, research centers and space-related organizations to explore areas such as architecture, agriculture, electricity, climate, microbiology, and human behavior. D-MARS was established in 2017 and has been directing Mars analog missions since 2018.

Earth 300 Ventures presents a 300-year vision to ensure that humanity survives the future. Its mission is to inspire the largest and greatest collaborative climate action effort in history and galvanize collective stewardship of our beautiful planet. Earth 300 is presenting a nuclear-powered ship designed as a global architectural icon for the world.

Earth 300 is 300m (980 ft) long, 46m (150 ft) wide and 60m (200 ft) tall. With a 13-storey science sphere holding 22 state-of-the-art laboratories and equipped with frontier technologies, it will allow a 160-strong strike force of scientists forming an interdisciplinary team with expertise ranging from marine, to earth, atmospheric and space scientists to come up with rapid, far reaching and unprecedented solutions to combat climate change.

It will also carry 20 experts in residence, as well as 20 students and 40 VIP’s, all contributing to the mission. Earth 300 scientists will have onboard access to AI robotics, machine learning, real-time data processing and the latest (and first ocean-going) quantum computer. The ship will be zero-emissions, powered by atomic energy from an onboard molten-salt reactor and expected to launch in 2025. Earth 300 has been designed by Iddes in Barcelona.

EYOS Expeditions designs luxury trips to remote locations on Earth. EYOS represents a network of travel and marine specialists. Expeditions include destinations such as Antarctica, Greenland, Alaska, Papua New Guinea, Seychelles and Madagascar, often aboard expedition yachts like the SeaXplorer.

Hawai'i Space Exploration Analog and Simulation (HI-SEAS) is a Mars and Moon exploration analog research station located 8,000+ feet above sea level on a Mars-like site along the Mauna Loa mountain range in Hawaii. The station is operated by the International MoonBase Alliance.
The first analog mission at the HI-SEAS research station took place in 2013. Since then, 6 other missions have occurred ranging from 4 months to 12 months in length. These missions were funded by research grants from NASA’s Human Research Program and the University of Hawai’i.

The Nancy Vermeulen Space Training Academy offers a variety of private astronaut training modules to prepare future astronauts for space. The training programs take place in state-of-the-art facilities and in collaboration with Soesterberg Air Base and the Delft University of Technology.

The Space Training Academy was founded by astrophysicist, airline pilot, and space travel instructor Nancy Vermeulen.

The National Aerospace Training and Research (NASTAR) Center is a premier air and space training, research, and education facility, and the first FAA-approved facility to meet the training requirements for orbital and suborbital commercial human spaceflight. As the official training center for all major commercial launch providers, NASTAR’s Training Programs arm commercial astronauts with the knowledge, skills, and experience necessary to ensure their health and safety while operating in extreme environments. The NASTAR Center was established in 2007 and is located in Southampton, Pennsylvania, USA.

Orbite aims to become a premier commercial spaceflight training company. Orbite is building a first-in-the-world Spaceflight Gateway and Astronaut Training Complex where they will offer an immersive and high-end introduction to commercial spaceflight.

Orbite was founded in 2019 by American space entrepreneur Jason Andrews and French technology and media entrepreneur Nicolas Gaume.

The International Institute for Astronautical Science (IIAS) provides a high-value, immersive education within culturally-diverse operational environments that enable professional citizen-science research promoting multi-national space exploration, science literacy, and the equitable and peaceful uses of outer space.

IIAS maintains six research concentrations: aeronomy, bioastronautics, space suit evaluation, space flight operational research, science education, and flight test engineering.

Space Adventures is a premier commercial spaceflight operator offering everything from Earth-based experiences, such as zero gravity flights and spacewalk training, to spaceflight experiences to the International Space Station and beyond. To date, Space Adventures is the only company to have arranged for private astronauts to travel to the ISS.

Space Adventures was founded in 1998 by Peter Diamandis and Eric Anderson. The company is  headquartered in Virginia, USA with an office in Moscow. Training programs take place at the Yuri Gagarin Cosmonaut Training Center in Star City, Russia.

Space Perspective introduces a new era in luxury travel experiences, reimaging  the thrill of space exploration with a radically gentle voyage to space.Founders Jane Poynter and Taber MacCallum have been responsible for some of the most remarkable breakthroughs in space innovation and exploration, including co-founding World View Enterprises, which specializes in sending payloads to the stratosphere onboard high-altitude spaceballoons, and StratEx, the company which helped Alan Eustace break the world record for human spaceflight propelled by a spaceballoon.

Space Exploration Technologies Corporation (SpaceX) is an American aerospace manufacturer, space transportation services and communications company. The company was founded by Elon Musk in 2002 with the goal of enabling the colonization of Mars by reducing space transportation costs. SpaceX manufactures several crew and cargo launch vehicles and spacecraft, rocket engines, and Starlink communications satellites.In 2008, SpaceX’s Falcon 1 was the first privately-funded liquid-propellant rocket to reach orbit. In 2010, SpaceX became the first private company to successfully launch, orbit, and recover a spacecraft. In 2012, it became the first private company to send a spacecraft to the ISS. In 2015, it was the first company to reuse an orbital rocket and in 2013 it was the first private company to send astronauts to orbit. In 2020, SpaceX became the first private company to send astronauts to the ISS. SpaceX is headquartered in Hawthorne, California.

Starfighters Aerospace operates the world’s only fleet of flight-ready F-104 supersonic aircraft. Based at NASA's Kennedy Space Center and operating under authorization from the Federal Aviation Administration, these aircraft are available to government and commercial customers for a variety of missions, listed below.Captive carry of payloads and test articles - microgravity experiments - supersonic / hypersonic research, development, testing, and evaluation (RDT&E) - spaceflight hardware testing / qualification - suborbital spaceflight simulation - air-launch of microsatellites - human factors and flight physiology research - jet warbird type training and familiarization for pilots - avionics testing / qualification - flight suit testing / qualification - sponsored video production - adversary air training support

Virgin Galactic is an American spaceflight company founded in 2004 by Richard Branson. Virgin hopes to send commercial passengers to suborbital space from a horizontally-launched spacecraft. Virgin Galactic is headquartered in Las Cruces, New Mexico and operates out of Spaceport America and Mojave Air and Space Port. Virgin Galactic's suborbital spacecraft are air launched from beneath a carrier airplane known as White Knight Two.

World View Enterprises, Inc., (World View) is a private American near space exploration and technology company. World View was founded in 2012 by a team of aerospace and life support veterans, including Jane Poynter, Taber MacCallum, Dr. Alan Stern, and former NASA astronaut Mark Kelly.
Headquartered in Tucson, Arizona, World View’s stated mission is not to explore new worlds but share a better vision for our own. One that inspires awe and the will to change. The company aims to turn space tourism into Earth activism, with the ultimate objective to honor the Earth so that future generations will feel blessed to call it home.

The Zero Gravity Corporation (ZERO-G) is a private space entertainment and tourism company offering weightless parabolic flights. ZERO-G was founded by Peter Diamandis, Byron K. Lichtenberg, and Ray Cronise with the mission to bring the excitement of space adventure to the public.

ZERO-G has been operating microgravity parabolic flights since 2004, with several notable passengers including Stephen Hawking, Martha Stewart, Buzz Aldrin, Tony Hawk, and Elon Musk. The company owns and operates a Boeing 727-227F Advanced. ZERO-G offers scientific research programs in its Weightless Lab in partnership with corporations, universities, and research centers.