60 endorsees and counting!

If your organization would like to endorse the “Best Practices for the Sustainability of Space Operations” document and participate in the SSC, here is how to participate!

ABS Global Ltd wesbite link
ABS has become one of the leading global satellite operators since our establishment in 2006. After 14 years, we have successfully operated eight satellites, including two satellites safely retired, and have executed ten other safe drifts of satellites.
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Aerospace Corp wesbite link
The Aerospace Corporation is uniquely positioned to provide independent and objective analysis of orbital debris mitigation and the long-term sustainability of outer space. Throughout its history, The Aerospace Corporation has directly supported space operations for our government customers. Specifically, we have a long history supporting space surveillance and space situational awareness and, as such, we have experts on space environment modeling and data collection.
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Airbus Defence and Space wesbite link
Airbus Defence & Space (SKYNET Operations) are a responsible operator of ComMilsatCom spacecraft providing secure communications to UK government and other third party government organisations around the world.
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a.i. solutions, Inc. wesbite link
A.i. solutions specializes in COTS astrodynamics software with our flagship product FreeFlyer – used widely in satellite mission design, analysis, simulation, and operations.
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Altius Space Machines, Inc wesbite link
Altius Space Machines, Inc. is committed to responsible satellite design and operational practices, and supports new developments across the space ecosystem, particularly those that support space sustainability.
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AMOS wesbite link
Spacecom is a global fixed-satellite operator and satellite service provider, owner of the AMOS satellite fleet. Spacecom’s solutions include pure capacity, managed services, professional services, turn-key solutions, Cellular Backhaul, trunking solutions as well as broadcast, data and broadband satellite services.
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Analytical Graphics, Inc wesbite link
AGI develops multi-domain, mission-level software to design, operate, and analyze complex engineering systems on a common operating platform.
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Asia Satellite Telecommunications Co. Ltd. wesbite link
Asia Satellite Telecommunications Company Limited (AsiaSat) is Asia’s premier satellite operator. Through a fleet of high-performance satellite located strategically over Asia’s massive landmass and surrounding oceans, AsiaSat delivers satellite solutions with high quality and reliability to our clients.
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Astro Dynamic Ltd wesbite link
Astro Dynamic is dedicated to the safe, sustainable growth of our space environment for all. We offer complete lifecycle services for payload operators, offering flexible hosting solutions, to maximize payload ability without restrictions to operating life span.
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Astroscale Holdings wesbite link
Astroscale is the first private company with a vision to secure the safe and sustainable development of space for the benefit of future generations, and the only company solely dedicated to on-orbit servicing across all orbits.
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Avanti Communications, Ltd. wesbite link
AXA XL wesbite link
AXA XL is the P&C and specialty risk division of AXA, known for solving even the most complex risks. We offer traditional and innovative insurance solutions and services in over 200 countries and territories.
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Benchmark Space Systems wesbite link
Benchmark Space Systems was founded in 2017, with a focus on commercializing differentiated turnkey propulsion systems that affordably meet the safety, reliability, and lead time that small satellite missions require. Enabling and promoting responsible spacecraft capability has been at the core of our roadmap since inception.
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Black Arrow wesbite link
As a developer and future operator of spaceport and launch services, in and from the United Kingdom, Black Arrow will be responsible for placing satellites of Third Party operators into their desired orbits, and we have made the firm commitment that our business operations will not create stress in any environment in which we operate, whether that be on the surface of the Earth, or above it.
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Buck Consulting Group wesbite link
Centauri wesbite link
Centauri is a provider of high-end professional services that focus largely on the full life cycle for satellite systems.
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ClearSpace wesbite link
ClearSpace is leading the development of in-orbit services to shape the future of space operations. Affordable in-orbit services will enable a thriving, resilient and sustainable space economy.
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COMSPOC wesbite link
COMSPOC Corporation provides industry-leading flight safety, Space Situational Awareness (SSA), and Space Traffic Coordination and Management (STCM) services that are well-grounded in comprehensive multi-source data aggregation, data-agnostic fusion, and advanced analytics.
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D-Orbit wesbite link
D-Orbit SpA is an Italian New Space company with solutions covering the entire lifecycle of a space mission, including mission analysis and design, engineering, manufacturing, integration, testing, launch, and end-of-life decommissioning.
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DarkStar Aerospace wesbite link
DarkStar Aerospace design and engineer next-generation aerospace technology & systems: Satellites, Exploratory Systems, and Research Technology. We maintain Ground & Tracking Stations in Europe and the MENA region. And we develop propulsion technology & flight systems for Launch Service providers.
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Digantara wesbite link
Digantara is a space situational awareness company that is building an end-to-end solution to address the difficulties of space operations and situational awareness through its pioneering Space – Mission Assurance Platform aka Space – MAP.
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Earth-Space Commerce Advisors, LLC wesbite link
As a consultant to entrepreneurs and companies within and outside the space industry, and as an active advocate for commercial space activity since the late 1980s, my business will thrive only if other commercial space businesses thrive.
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Effective Space Solutions Limited wesbite link
Effective Space is pioneering last-mile logistics in space. It deploys and operates a fleet of small SPACE DRONE™ spacecraft that will deliver, position, maintain, monitor and guarantee space assets in orbit and beyond.
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Equatorial Launch Australia wesbite link
ELA is establishing Australia’s first commercial spaceport and larger space centre, Arnhem Space Centre (ASC), in East Arnhem Land Northern Territory (12degS) near Nhulunbuy. ASC will be Australia’s only multi-orbit operational spaceport and only commercial spaceport in the Equatorial/East Asian hemisphere.
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ENPULSION GmbH wesbite link
ENPULSION is an Austrian company based in Wiener Neustadt, which was founded in 2016 and already became in 2018 the global market leader for propulsion systems for nano- and microsatellites, most of which are no heavier than 100kg. ENPULSION’s propulsion solutions are based on Field-emission Electric Propulsion (FEEP) technology which is environment-friendly as opposed to chemical propulsion systems, and characterized by their efficiency and modularity facilitating spacecraft integration. FEEP thrusters enable a wide variety of applications and missions requiring precise and reliable In-Orbit Mobility that are essential to tackling space debris generation and proactively preserving orbital resources for future generations.
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Geeks Without Frontiers wesbite link
GMV wesbite link
GMV is the most relevant European industrial player in SST with 50+ engineers in 6 countries. GMV developed most of ESA’s SST processing infrastructure and integrated the overall ESA’s SST Core Software, being the main contributor to the ESA’s SST system within the SSA program.
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Hellas Sat wesbite link
Inmarsat wesbite link
As the pioneer and world leader in mobile satellite communications, Inmarsat has been powering global connectivity for four decades. Set up by the International Maritime Organization (IMO) in 1979 to provide a satellite communications network that would protect the lives of mariners anywhere at sea. We were the first satellite operator to meet the stringent requirements of the Global Maritime Distress and Safety System (GMDSS) and the International Civil Aviation Organization (ICAO) for global safety communications.
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Intelsat S.A. wesbite link
International Association for the Advancement of Space Safety wesbite link
The IAASS is active in the field of space safety and sustainability since 2004. The space safety field, from launch and re-entry, to space debris, human exploration, and space traffic control is by its own nature very much a global interest which often extends beyond the institutional contacts and cooperation which government agencies already maintain.
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Iridium Communications Inc. wesbite link
Iridium operates the world’s only truly global satellite communications network, connecting people, enterprises, governments, and things. Featuring a constellation of 66 crosslinked LEO satellites, no other network offers the reach, resiliency, or capabilities that have made Iridium the network of choice for more than a million subscribers around the world.
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Kall Morris Inc. wesbite link
Kall Morris Inc (KMI) is an orbital debris research and solution development company founded in Marquette, Michigan, focused on efficient, repeatable, non-destructive Active Debris Removal.
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Launch On Demand wesbite link
Launch On Demand is a space launch services provider that cares deeply about safe access to space and the sustainability of safe operations there.
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LeoLabs wesbite link
LeoLabs is a space safety company that improves the ability of satellites to operate safely and reliably in low Earth orbit (LEO) by accurately tracking mission-relevant objects in space. Space can and should be developed but this development requires more responsible behavior in space which is contingent upon three key activities:
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Loverro Consulting LLC wesbite link
Maxar Technologies wesbite link
OneWeb wesbite link
OrbitGuardians, Inc. wesbite link
OrbitGuardians believes that safeguarding humanity’s orbital infrastructure, before the Kessler Syndrome becomes reality, is the right thing to do. Our affordable active debris removal services provide satellite operators the ability to clean orbital regimes important to their mission requirements, thus reducing collision risk and reducing the time required for conjunction analysis and maneuvers.

Orbital Transports, LLC wesbite link
As a provider of turnkey small satellite solutions from initial concept through completed mission with long-term plans to provide satellite servicing and refueling services, Orbital Transports considers sustainable space operations, including orbital situational awareness, on-orbit asset maneuvering/repositioning, and debris mitigation, to be critical to the growth of the company, its customers, and both national and global economies.
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Phase Four, Inc. wesbite link
Phase Four is committed to enabling responsible, safe use of low Earth orbit with its instantaneous-startup RF thrusters.
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Planet Inc. wesbite link
Planet is the leading provider of global, near-daily satellite imagery data and insights. Founded in 2010 by NASA scientists, Planet designs, builds, and operates the world’s largest fleet of Earth observation satellites, and provides the online software, tools and analytics needed to deliver data to users.
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Providence Access Company wesbite link
Rocket Lab USA Inc wesbite link
The SSC’s best practices document specifically calls out an area of our focus – the fact that traditional methods of deploying satellites can leave large rocket stages in orbit. It’s why we designed Electron to deploy payloads differently.
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Secure World Foundation wesbite link
The Secure World Foundation (SWF) is a private operating foundation that promotes cooperative solutions for space sustainability and the peaceful uses of outer space. The Foundation acts as a research body, convener, and facilitator to promote the safe, secure, and sustainable use of space contributing to global stability and benefits on Earth.
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SES S. A. wesbite link
As a world leading integrated satellite-enabled solutions provider, SES is a trusted partner to the world’s leading telecommunications companies, mobile network operators, governments, connectivity (aero and mobility) and Cloud service providers, broadcasters, video platform operators and content owners.
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Space Micro, Inc. wesbite link
Space Micro Inc is a San Diego-based space subsystems and small spacecraft provider to the international space community. The ability to safely operate in an internationally self-regulated ecosystem is paramount to the overall space business model success.
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SJE Space Ltd. wesbite link
SJE Space Ltd. is a space consultancy company specialising in issues relating to space situation awareness and space traffic control. In 2017, the Director of SJE Space Ltd. (Dr. Stuart Eves) had a book published by AIAA entitled “Space Traffic Control”.
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Sky and Space Global wesbite link
Space Data Association Ltd. wesbite link
Formed in 2009, the Space Data Association (SDA) is a formal, nonprofit association of civil, commercial and military spacecraft operators that supports the controlled, reliable and efficient sharing of data that is critical to the safety and integrity of satellite operations. SDA has a legal structure and agreements that provide protections and enforcement mechanisms to ensure data is only used for intended purposes. SDA raises awareness of risks and best practices through different communication means.
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SCOUT Inc. wesbite link
SCOUT will perform the first in-space satellite inspections. We will help extend satellite lifetimes, prevent failures, and save tens of millions of dollars with as little as one inspection. This helps operators and manufacturers avert new space debris formation and fundamentally changes the paradigm of satellite operations.
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Space Domain Awareness, Inc. wesbite link
Space Domain Awareness’ mission is to make space accountability, transparency, and predictability simple for our customers. We endeavor to provide a low cost optical beacon that can be easily affixed to any object launched into space that will be used to positively identify that object and integrate orbital information information seamlessly into existing space traffic management systems.
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Slingshot Aerospace, Inc. wesbite link
Space infrastructure is vital to our daily lives–we rely on space for GPS, communications,
scientific research, national security, and much more. Over the next decade, the space
economy will see a 30x growth in the number of satellites. While these satellites aim to improve
the daily lives of millions and help us learn how to protect our planet, the more satellites there
are in space, the more chances there are of collisions. In order to leverage the space economy
for many generations to come, we must protect this ecosystem by contributing to safe and
sustainable space operations.
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SpaceAble wesbite link
SpaceAble is a high-technology company specialized in the development of surveillance capacities and analytical tools dedicated to Space Situational Awareness (SSA). The company gathers former experts from the French space industries and relies on a high level of skills in the fields of space engineering, software development and industrial project management.
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Space Initiatives Inc. wesbite link
Space Initiatives Inc, is focused on the development and deployment of 50-gram femtosatellites in LEO. . We are designing a unit called “Pixie” which will be attached to any host spacecraft, to provide very low data rate communications and RFID, to track the spacecraft at very low cost, and to provide back-up link in case the primary spacecraft comms link is lost.
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United First Nations Planetary Defense wesbite link
We are Native American and First Nations People of Canada, we are Caretakers of Space.

Virgin Orbit wesbite link
Vyoma GmbH wesbite link
As a company deeply involved in ensuring space sustainability for the current and future space economy, Vyoma supports data sharing across stakeholders and the facilitation of establishing communication links when conflicts, such as an impending collision, are detected.
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XTAR LLC wesbite link
York Space Systems LLC wesbite link
York Space Systems is a satellite manufacturer and operator providing full turnkey space solutions to our customers. York’s S-Class platform is capable of operating in any orbit, LEO to GEO, making York a stakeholder in the sustainability for all Earth orbits. In being a satellite operator, York wants to ensure the space environment remains in a state where operators’ primary task is ensuring their space assets continue providing services, generating data and/or revenue in a safe manner rather than continually having to pause operations due to unnecessary debris.
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