In-Space Transportation - Factories in Space

List of in-space transportation services including orbital transfer vehicles, space tugs, active debris removal, propellant depos and on-orbit servicing. Sometimes called space logistics or space mobility but products such as propulsion modules are not included.

Last updated: 2024-03-03. Entries: 99

Name	Products & Services	Category	Service Type	Field	Status	Oneliner
Absolut System		In-Space Transportation	Space Tug, Orbital Transportation	Transport Service (In-Space)	Concept	A preliminary design for the refuelling tug.
Altius Space Machines (Voyager Space)	Bulldog Servicer	On-Orbit Servicing	On-Orbit Servicing	In-Space Satellite Servicing	Concept, Acquired	Altius is a space robotics and technology company with expertise in orbital rendezvous and capture robotics, active debris removal, spacecraft mechanisms, assistive telerobotics, in-space propellant transfer, satellite servicing, in-orbit assembly and manufacturing. Our mission is to support sustainable space and provide cost-effective and reliable satellite servicing and end-of-life services.
Argo Space	Argonaut	In-Space Transportation, ISRU, Raw Materials & Asteroid Mining, Raw Resources & Utilities	Transport Service (LEO-Moon), Propellant Refilling, Space Mining	Reusable, Refilling Station, Water, Moon, Propellant	Development	Aims to build an in-space transportation network, using reusable spacecraft propelled by water harvested from the moon.
ArianeGroup (Arianespace)	Astris, Susie	In-Space Transportation	Space Tug, Orbital Transportation, Space Situational Awareness (SSA)	Kick Stage	Development	ASTRIS kick stage and SUSIE upper stage.
Astrait (Levity)	NEMO	In-Space Transportation	Space Tug	Kick Stage	Development	T he NEMO platform acts as a kickstage to provide last-mile transfer or even lunar access for its cargo and offers data relay at the target environment – if needed.
Astroscale		Active Debris Removal, On-Orbit Servicing, Propellant Refuel Station	Active Debris Removal (ADR), On-Orbit Servicing, Propellant Refilling, Propellant Refuel Station	End of Life (EOL), In-Space Satellite Servicing, Transport Service (In-Space), On-Orbit Servicing	Development	Astroscale offers operators and launchers choices and flexibility across the spectrum of on-orbit servicing, while creating a sustainable foundation for the growth of the space economy in the process.
Atomos	Quark	Space Tug, On-Orbit Servicing	Space Tug, In-Space Logistics, Resources - Energy, On-Orbit Servicing, Propellant Refuel Station, Propellant Refilling	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO), Nuclear Power, Nuclear Propulsion	Development	Atomos Space is building the future of orbital logistics, providing “last mile” transportation services for satellite operators. Our orbital transfer vehicles (OTVs) change the rocket equation – enabling impossible missions, providing unprecedented maneuverability, maintaining a sustainable orbital environment, and reducing the cost for satellite operators to get to their place in space.
Bellatrix Aerospace		In-Space Transportation	Space Tug, Orbital Transportation	In-Space Transportation	Development	Bellatrix Aerospace is an Indian New Space company specialising in In-space propulsion systems & orbital launch vehicles.
Blue Origin	Blue Ring	In-Space Transportation, In-Space Mobility	Transport Service (Earth-LEO), Transport Service (LEO-GEO), Persistent Platform, Space Tug, Robotic Space Station, In-Space Logistics, Space Logistics Platform, In-Orbit Computing, In-Space Mobility	Transport Service (In-Space)	Development	Blue Ring, a spacecraft platform focused on providing in-space logistics and delivery.
Bradford Space (Deep Space Industries)	Square Rocket	Miscellaneous, Space Tug, Cargo Transport Service	Resources - Asteroid Mining, Microgravity Workspaces, Space Tug, Active Debris Removal (ADR)	Prospecting	Development	Our first service offering uses our Square Rocket spacecraft for missions as far out as 1.5AU encompassing geosynchronous orbit (GEO), low lunar orbit (LLO), and Mars flyby.
CASC (China Aerospace Science and Technology Group)	Supplemental Service Vehicle	On-Orbit Servicing	On-Orbit Servicing, Satellite Life Extension	In-Space Transportation	Development	Supplemental Service Vehicle is a commercial service vehicle that takes over attitude orbit control of GEO satellites at the end of their lifetime to extend their in-orbit service life.
Chandah Space Technologies	InsureSat	In-Orbit Inspection	Space Situational Awareness (SSA), In-Orbit Inspection	-	Early stage, Dormant	Building its InsureSat constellation of electro-optical sensors for commercial in-orbit inspections and space situational awareness (SSA).
Cislunar Space Development Company		Space Tug	Space Tug, Transport Service (LEO-GEO), Transport Service (LEO-Moon), In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Dormant	We provide transportation services in cislunar space, from low Earth orbit to the Moon’s surface and all points in between. Services include orbit transfer for satellites, cargo and personnel transport to the Moon, water and propellant sales, vehicle docking, and spacecraft warehousing.
ClearSpace	ClearSpace-1	Active Debris Removal, Space Tug	Active Debris Removal (ADR), Space Tug	End of Life (EOL)	Development	We design, agile satellites able to find, capture and remove non-functioning or unresponsive satellites from their orbits in space.
Coactum		Space Tug, Cargo Transport Service	Transport Service (LEO-GEO), Space Tug	In-Space Transportation	Development	Aims to revolutionize cargo transportation in space by providing simple, secure and fast in-space transportation services with a standalone small satellite. The solution opens access to high Earth orbits and beyond.
D-Orbit	ION	Cargo Transport Service	Space Tug, In-Orbit Computing, Transport Service (Earth-LEO), Orbital Transportation, In-Space Logistics	In-Space Transportation	Active	D-Orbit a market leader in the space logistics and transportation services industry with a track record of space-proven technologies and successful missions.
Dark		Active Debris Removal	Active Debris Removal (ADR), Space Tug	-	Development	Moving forward with our Active Debris Removal technological developments.
Dark Fission Space Systems		In-Space Transportation, Space Utilities	Transport Service (LEO-GEO), Orbital Transportation, Nuclear Fission Power	Nuclear Propulsion	Development	We're going to go build a nuclear thermal rocket with private sector money, something the government has not been able to do for 60 years. Think SpaceX for moving cargo around the solar system.
Epic Aerospace	Chimera	Space Tug	Space Tug, In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Development, Launched	We are building a line of Orbit Transfer Vehicles (OTVs) to support all your space transportation needs. From LEO, to GEO and beyond, we unlock the ability to get to any orbit from common rideshare launches.
EsferAtros		Cargo Transport Service	Space Tug	In-Space Transportation	Early stage	Operates micro-satellites to provide in-orbit transportation, customer payloads operation, and access to earth observation technology as a service.
Eta Space		Propellant Refuel Station	Propellant Refilling, Propellant Refuel Station	Propellant	Development	Eta Space is developing propellant depots for orbital and lunar polar locations, with sizing for a variety of mission architectures.
ExLabs (Exploration Laboratories)		In-Space Transportation, ISRU, Raw Materials & Asteroid Mining	Active Debris Removal (ADR), Space Mining, ISRU (In Situ Resource Utilization)	Asteroids	Development	We specialize in the development of advanced large-scale space vehicles and technologies, leveraging the latest innovations to tackle the challenges of space debris mitigation, object capture and control, deep space exploration, and resource acquisition.
Exodus Space Systems	Carousel Spacelab	Active Debris Removal, Microgravity & ISS Flight Service, Science	Active Debris Removal (ADR), Microgravity Flight Service (LEO), Microgravity Science	In-Space Transportation, Automated Microgravity Laboratory	Early stage, ?	We developed the Deployable Toroid Array (DeTA) from start to Carousel Spacelab.
Exolaunch	Reliant	Cargo Transport Service	Space Tug	In-Space Transportation	Development	Developing a line of eco-friendly space tugs called Reliant, designed to clean up debris after sending satellites to custom orbits.
Exos Aerospace	Space Tug	Cargo Transport Service	Space Tug, Orbital Transportation	In-Space Transportation	Dormant	EXOS is a leading developer and operator of reusable space vehicles.
Exotrail	SpaceVan, spacedrop	Space Tug, In-Space Transportation	Space Tug, In-Space Logistics, Orbital Transportation	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Demonstrated	Spacevan on-orbit transfer vehicle.
Firefly Aerospace	Elytra, SUV (Space Utility Vehicle)	Space Tug, In-Space Transportation	Space Tug, Transport Service (LEO-GEO), Orbital Transportation	Transport Service (In-Space)	Development	Firefly is developing Space Utility Vehicle (SUV) space tug.
Future Space Industries	KLNR-LEO	Active Debris Removal, Space Tug	Transport Service (LEO-GEO), Active Debris Removal (ADR)	In-Space Transportation	Dormant	Currently under development, the KLNR-LEO project aims to provide reliable, fast and low cost cleaning services of the space debris currently polluting LEO.
Galactiv	Active Space Servicer	Cargo Transport Service, On-Orbit Servicing	On-Orbit Servicing, Propellant Refilling, Propellant Refuel Station, Space Robotics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Early stage	Galactiv is an in-space services company with the primary mission of ensuring that humanity maintains a sustainable long-term presence in outer space. In the near-term, we will be addressing the pollution created by the American commercial satellite industry by providing emergency servicing and salvage operations to current satellite operators.
Gama Space		Cargo Transport Service	Transport Service (LEO-GEO), Transport Service (LEO-Moon)	Transport Service (In-Space), In-Space Transportation	Development, Launched	Gama enables new futures. Thanks to cheap, reliable and scalable solar sails, we are redefining deep space access.
Gateway Galactic	Antaios	Propellant Refuel Station	Propellant Refuel Station, Propellant Refilling	Refilling Station	Dormant	The Antaios platform is a refueling depot being developed by Gateway Galactic, Inc. for orbital applications.
GeoJump		Cargo Transport Service	Space Tug, Transport Service (LEO-GEO)	In-Space Transportation	Dormant	Opening GEO and exotic orbits to smallsats through rideshare: In the same way that low Earth orbit has been revolutionized, GeoJump will provide affordable access to the most valuable Earth orbits.
GEORING (GEO Ring)	Hermes	On-Orbit Servicing	On-Orbit Servicing	-	Concept	Initiator of a system for On-Orbit Servicing Named HERMES, aiming to kick-start the On-Orbit Servicing (OOS) industry in Europe.
Glycan Space (Group)		Active Debris Removal	Active Debris Removal (ADR), Resources - Space Debris Utilization	In-Space Transportation	Concept	Space debris detection and removal.
Growbotics Space		On-Orbit Servicing	On-Orbit Servicing, Reusable Satellite, Space Robotics	In-Space Satellite Servicing, On-Orbit Servicing, Reusable	Early stage	Growbotics is a company dedicated to developing the tools, components, and processes necessary for a circular space economy. Satellites are currently single use by design; Growbotics aims to disrupt the traditional approach to space manufacturing and is leading the way by developing technology to re-use components on orbit, thereby reducing waste and promoting a circular economy.
Gryphon Technologies (ManTech)		In-Space Transportation	Nuclear Fission Power, Orbital Transportation, Resources - Energy, Hardware, Transport Service (LEO-Moon)	Nuclear Propulsion, Nuclear Power, Transport Service (In-Space)	Development	Gryphon Technologies Wins $14M DARPA Task Order to Support Demonstration and Development of the High-Assay Low Enriched Uranium Nuclear Thermal Propulsion System.
Hybrogines	Hyscab	In-Space Transportation	Space Tug, Orbital Transportation	Transport Service (In-Space), In-Space Transportation	Early stage	Provide an advanced orbital transfer vehicle for small satellites powered with performant and flexible hybrid-propellant rocket engines.
Impulse Space Propulsion	Mira, LEO Express	Space Tug, Commercial Lander	Space Tug, Commercial Lander, Commercial Mars Lander	In-Space Transportation	Demonstrated	Space is more accessible than ever, but efficiently moving payloads into higher energy orbits remains a challenge. At Impulse Space Propulsion we're changing that by providing agile, economical capabilities to access any orbit.
Infinite Orbits	OrbitGuard	On-Orbit Servicing, Miscellaneous	On-Orbit Servicing, Space Situational Awareness (SSA), In-Orbit Inspection	In-Space Satellite Servicing	Development, Launched	OrbitGuard is an autonomous navigation system capable of both far and near range navigation for satellite Rendezvous and Docking. It can handle SSA and Inspection Missions.
InspeCity	VEDA (Vehicle for life-Extension and Deorbiting Activities), RIG (Robotic Insert for satellite Guidance)	In-Space Transportation, Commercial Space Station	On-Orbit Servicing, Active Debris Removal (ADR), Commercial Space Station, Satellite Life Extension	-	Development	Meet VEDA (Vehicle for life-Extension and Deorbiting Activities) and its mini-me RIG (Robotic Insert for satellite Guidance)
Ironstar Engineering (PRISM)	PRISM	Active Debris Removal	Active Debris Removal (ADR)	In-Space Transportation	Early stage	A method and apparatus for removing orbital space debris from near Earth orbit using the Solar Wind: Platform for Redirecting and Removing Inert Space Material. (PRRISM).
Kall Morris Inc (KMI)	REACCH	Active Debris Removal	Active Debris Removal (ADR), Resources - Space Debris Utilization	In-Space Transportation	Development	Aims to be the first company with a commercially viable product for collecting debris in orbit.
Kurs Orbital	ARCap Module	On-Orbit Servicing	On-Orbit Servicing, Transport Service (LEO-GEO), Active Debris Removal (ADR), In-Orbit Inspection, Space Tug, Hardware, Docking	In-Space Transportation	Development	A Ukrainian startup is building an in-orbit servicing vehicle using space docking technology developed decades ago by the former Soviet Union.
Launcher (Vast)	Orbiter	Space Tug	Space Tug, Transport Service (Earth-LEO)	In-Space Transportation	Active, Discontinued, ?	Launcher develops the world’s most efficient rockets and transfer vehicles to deliver small satellites to orbit by combining liquid propulsion technology and onsite 3D manufacturing.
Liftero (Progesja Space)	Motus	In-Space Transportation	Space Tug, Orbital Transportation	Transport Service (In-Space)	Development	Liftero offers a suite of products and services for transporting assets from point A to B anywhere in space using reusable space tugs.
Lunar Ascent		Cargo Transport Service, Communications Relay, Space Tug	Space Tug, In-Space Communications Relay, Transport Service (LEO-Moon)	Moon	Early stage	Australia’s First Mission to the Moon. A Space Machines Company Initiative.
Lunasa Space (Lúnasa Space)	VIA	Space Tug, In-Space Transportation	Space Tug, Transport Service (Earth-LEO), Orbital Transportation, Hardware, Software	Reusable, Transport Service (In-Space)	Development, Concept	First product is an AI-based vision navigation system which enables the execution of several complex space missions from satellite refuelling and active debris removal to cargo transportation to space stations and deep space planetary exploration.
Magdrive	Automated Deorbiting-Block system (PAD-B)	Active Debris Removal	Active Debris Removal (ADR), Resources - Space Debris Utilization, Hardware	In-Space Transportation	Concept	A mothership will carry many of these ~1 kg nano-spacecraft, which can be fired at debris from afar. These will attach and work together to autonomously bring the debris into the atmosphere to dispose of it.
MaiaSpace	Colibri	In-Space Transportation, Space Tug	Space Tug	Transport Service (In-Space)	Development	Colibri is a small rocket stage coming atop the rocket, enhancing launch services provided by MaiaSpace : performance boost, spacecrafts dispatch in orbit, on-orbit servicing…
Martian Sky Industries (MSI)	DEORBIT	Active Debris Removal	Active Debris Removal (ADR), On-Orbit Servicing, In-Space Assembly, Orbital Transportation	In-Space Transportation, Transport Service (In-Space), On-Orbit Servicing, In-Space Satellite Servicing	Development	The Decluttering of Earth Orbit to Repurpose for Bespoke Innovative Technologies (DEORBIT) system enables increased transportation and manipulation of materials in Low-Earth Orbit (LEO).
Maxar (SSL)	SpiderFab, OSAM-1, SAMPLR	On-Orbit Servicing, In-Space Manufacturing	On-Orbit Servicing, In-Space Assembly, Robotic Arm	In-Space Satellite Servicing	Development, Cancelled	Maxar was building the spacecraft bus and robotic arms for NASA’s OSAM-1 program, which will refuel and relocate a satellite on-orbit.
MDA	Canadaarm3	On-Orbit Servicing	On-Orbit Servicing, Space Robotics, Commercial Rover, Resources - Energy	In-Space Satellite Servicing, Nuclear Power	Development	First, we’re developing a commercial line of customizable space robotics systems. Next, we’ll build the world’s first control centre for commercial space robotic operations.
Momentus Space	Vigoride	Space Tug	Space Tug, In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Active	Momentus intends to use a multi-pronged approach to become a provider of three critical functions in the new space economy: Space Transportation, Satellite as a Service, and In-Orbit Servicing.
Moog	Orbital Maneuvering Vehicle (OMV), SL-OMV	Space Tug	Space Tug, In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Development	The Moog Small Launch Orbital Maneuvering Vehicle (SL-OMV) is a propulsive tug for secondary payload deployment focused on Venture Class Launch Vehicles (VCLV).
MOONPORT	Moon On-Orbit Nexus Providing Orbital Rendezvous and Transportation (MOONPORT)	Cargo Transport Service	Space Tug, On-Orbit Servicing, Transport Service (LEO-Moon)	Moon	Concept	MOONPORT envisions cost-effective transportation to the Moon and back. Building on top of a flourishing satellite COTS market, MOONPORT through multiple vehicles aims to be able to bring customers in dedicated orbits around the Earth and in lunar orbits with return capability.
Northrop Grumman (SpaceLogistics)	Mission Extension Vehicle (MEV)	On-Orbit Servicing	On-Orbit Servicing	In-Space Satellite Servicing	Active	SpaceLogistics, a wholly owned subsidiary of Northrop Grumman, provides cooperative space logistics and in-orbit satellite servicing to geosynchronous satellite operators using its fleet of commercial servicing vehicles—the Mission Extension Vehicle, the Mission Robotic Vehicle and the Mission Extension Pods.
Orbit Fab	Fuel Shuttle	Propellant Refuel Station, Space Utilities, Raw Resources & Utilities	Propellant Refilling, Propellant Refuel Station	Refilling Station	Development, Launched	We are building the in-space propellant supply chain - gas stations in space. Our ubiquitous supply of spacecraft propellant in LEO, GEO, and cis-lunar space shifts the paradigm of satellite design towards reusability, improves existing space business models like communications and Earth observation, and opens new industries like space tourism, manufacturing, and mining.
OrbitAID	Standard Interface Docking and Refueling Port (SIDRP)	In-Space Transportation, On-Orbit Servicing	On-Orbit Servicing, Propellant Refuel Station, Propellant Refilling	Refilling Station, In-Space Satellite Servicing, On-Orbit Servicing	Early stage	OrbitAID seeks to be first India's indigenous company in the emerging field of On-orbit servicing (OOS). OrbitAID is developing in-orbit refueling for satellite life extension and plans to build a Fuel Station in Space.
Orbital Paradigm		Microgravity & ISS Flight Service, In-Space Transportation	Microgravity Flight Service (LEO), Reusable Satellite, Commercial Space Station, Robotic Space Station, In-Space Platform, Persistent Platform	Automated Microgravity Laboratory, Reusable	Development	We design, develop, make, and operate a large in-space robotic persistent platform. Reusable transportation for the future in-space industry.
Orbital Recovery	Orbital Life Extension Vehicle (OLEV)	In-Space Transportation, On-Orbit Servicing	Satellite Life Extension, Active Debris Removal (ADR), On-Orbit Servicing	In-Space Satellite Servicing, On-Orbit Servicing	Dormant	T he world's first commercial satellite servicing system. The technical team was based in Europe with Dutch Space, then Swedish Space as the prime contractor. Developed the technical baseline, developed the mission requirements document, and set the cost baseline for commercial viability.
Orbital.Express	Satko	Space Tug, Active Debris Removal, On-Orbit Servicing	Space Tug, On-Orbit Servicing, Active Debris Removal (ADR)	In-Space Transportation	Development	Our goal is to democratize space logistics from in-orbit satellite services to interplanetary missions for sustainable space exploration that enables new markets In-Space Economy sector.
OrbitGuardians		Active Debris Removal, In-Space Transportation	Active Debris Removal (ADR), In-Orbit Inspection, Space Situational Awareness (SSA)	In-Space Transportation, In-Orbit Inspection	Early stage	We have drastically reduced the cost to clean up space debris!
Orbotic Systems		In-Space Transportation, Active Debris Removal	Active Debris Removal (ADR), Space Robotics	-	Early stage	Orbot (Orbiting Robot) and De-orbit Drag Device
Paladin Space		Active Debris Removal	Active Debris Removal (ADR)	Reusable	Early stage	Developing reusable satellites that collect and eliminate space debris, increasing the safety of astronauts and mitigating costly damage to space infrastructure.
Parabilis Space Technologies		Space Tug	Space Tug, In-Space Logistics	In-Space Transportation	Concept	Design a robust transfer vehicle to propel small payloads into translunar trajectories.
Plasmos	Space Truck	In-Space Transportation	Space Tug, On-Orbit Servicing, In-Space Manufacturing, In-Space Assembly, Transport Service (Re-Entry), Orbital Transportation	In-Space Transportation, Additive Manufacturing (3D printing), Space Capsule	Cancelled, Development	Plasmos is building a reusable third stage tug to address the problem of last-mile delivery in space.
porkchop		In-Space Transportation	Space Tug, Transport Service (LEO-GEO)	Transport Service (In-Space), In-Space Transportation	Cancelled	porkchop is a Swedish startup designing and developing reusable in-space logistics vehicles. Our aim is to establish an interplanetary economy within the solar system.
Prometheus Space Technologies		Active Debris Removal	Active Debris Removal (ADR), Space Robotics	In-Space Transportation	Early stage, ?	Active Debris Removal, Space Robotics, Satellites structure.
Quantum Space	Ranger	In-Space Transportation, Space Utilities	Transport Service (LEO-Moon), In-Space Communications Relay, In-Space Manufacturing, On-Orbit Servicing, In-Orbit Inspection, Beyond-LEO Remote Sensing, In-Space Logistics, Transport Service (LEO-GEO)	Moon	Development	Payload transportation and critical infrastructure services in geostationary orbit (GEO) and cislunar space. The company’s QuantumNet deep space network infrastructure is purpose-built to enable the delivery of payloads and essential in-space data and communications services for customers.
RFA (Rocket Factory Augsburg)	Redshift	In-Space Transportation	Transport Service (Earth-LEO), Transport Service (LEO-GEO), Transport Service (LEO-Moon)	Transport Service (In-Space)	Development
Rocket Lab	Photon	In-Space Transportation, Space Tug	Space Tug	Transport Service (In-Space)	Demonstrated	Rocket Lab’s Photon small spacecraft is based on the heritage Electron launch vehicle Kick Stage, leveraging numerous components that have significant flight heritage, including the Curie engine, an in-house designed and developed in-space propulsion system.
Rogue Space Systems	Orbots	On-Orbit Servicing, In-Space Transportation	Space Robotics, On-Orbit Servicing, Orbital Transportation	On-Orbit Servicing, In-Orbit Inspection, In-Space Transportation	Development, Launched	Rogue designs satellite vehicles and subsystems to provide on-orbit services to satellite operators both now and well into the future.
Rubicon		Active Debris Removal	Active Debris Removal (ADR)	In-Space Transportation	Concept	While Rubicon® is not currently in the business of space debris removal, we see this as the next frontier for us to tackle, and we are actively beginning the process to figure out how we can help clean up the galaxy.
SAB Launch Services	IOSHEXA	Space Tug, In-Space Transportation	Space Tug, Transport Service (Earth-LEO), Active Debris Removal (ADR)	On-Orbit Servicing, Transport Service (In-Space), In-Space Transportation	Development	SAB is working to a project called IOSHEXA (In Orbit Servicing HEXA). The aim of this space tug is to release small satellites on SSO, LEO, and even beyond Earth orbits.
Scout Aerospace	AstroLab	Active Debris Removal, On-Orbit Servicing, Space Tug	Space Tug, Active Debris Removal (ADR), On-Orbit Servicing, In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO), Cycler	Early stage	Development of a semi-autonomous OTVs for active debris removal and satellite servicing.
Skycorp	Orbital Logistics Vehicle (OLV)	Space Tug, In-Space Manufacturing	In-Space Manufacturing, In-Space Assembly, Space Tug, Transport Service (LEO-GEO), Lunar Electric Grid	Large Space Structures, Reusable, In-Space Transportation, Moon	Development	Skycorp's mission is to fundamentally transform the spacecraft industry, utilizing orbital assembly process, electric propulsion, and modular construction, to create applications unthinkable before.
Skyrora	Space Tug	In-Space Transportation	Space Tug, Transport Service (LEO-GEO)	In-Space Transportation, Transport Service (In-Space)	Development	Space tug is based on the upper stage of the Skyrora XL vehicle, with adaptations that will allow it the technology to survive in a space environment.
SmallSpark Space Systems		In-Space Transportation	Space Tug	-	Concept	Accelerating Mission and Spacecraft Development through Misson Driven Design Automation
SmalSspark Space Systems	S4-SLV	In-Space Transportation	Transport Service (LEO-Moon), Space Tug, Transport Service (LEO-GEO), Orbital Transportation	In-Space Transportation	Concept	Book a ride on the UK's first reusable cislunar payload transport bus. The S4-SLV will be providing transportation within cislunar space from 2024.
Space Castle Solutions	Modular Transport System (MTS)	In-Space Transportation	Space Tug, Transport Service (Earth-LEO), Transport Service (LEO-GEO), Transport Service (LEO-Moon)	Transport Service (In-Space)	Concept	Space Castle Solutions (SCS) is developing the next evolution in space cargo transportation focusing on reusability, modularity, and flexibility for ‘plug-and-play’ mission configuring for Suborbital, Orbital, the Moon, Mars, and beyond.
Space Kinetic	Longbow	Space Tug, In-Space Transportation	Space Tug, In-Space Logistics, Mass Driver	Transport Service (In-Space), In-Space Transportation	Early stage	We’re building a platform that can electro-mechanically accelerate and propel various payloads without firing a thruster, enabling Space Kinetic to move things through space without directly using consumable propellant.
Space Machines Company	OT-S, Optimus-1	Space Tug	Space Tug, In-Space Manufacturing, In-Space Logistics, Transport Service (LEO-GEO), In-Space Mobility, Active Debris Removal (ADR), In-Space Assembly	Large Space Structures, Additive Manufacturing (3D printing), Space Construction Company	Development	We're building a next generation fleet of in-space infrastructure servicing vehicles. Inspection, repair and upgrade your on-orbit infrastructure.
SpaceDrone	Smart Drone	Space Tug	Space Tug, Orbital Transportation, On-Orbit Servicing, Active Debris Removal (ADR), Robotic Arm	In-Space Transportation, On-Orbit Servicing	Early stage	SpaceDrone is developing the Smart Drone vehicle, an innovative and modular platform.
Spaceflight (firefly)	SHERPA	Space Tug, In-Space Transportation	Space Tug, In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO)	Cancelled, Acquired, Active, ?	Family of Sherpa orbital transfer vehicles.
Spaceium		Propellant Refuel Station, In-Space Transportation	Propellant Refilling, Propellant Refuel Station	Propellant, Refilling Station	Development	Spaceium is building service stations along the space superhighway. The service stations are modular to provide services from refueling, transferring energy, storing and exchanging hardware, and going to be part of trash debris solution.
SpaceRyde	Black Bay	In-Space Transportation, Propellant Refuel Station	Space Tug, Transport Service (LEO-GEO), Orbital Transportation, Propellant Refilling, Propellant Refuel Station, Reusable Satellite	Transport Service (In-Space), Transport Service (LEO-GEO), In-Space Transportation, Refilling Station	Dormant, Bankrupt	SpaceRyde is building a network of rockets to provide on-demand cargo transportation in space.
SpaceTug (Hyoristic Innovations)		In-Space Transportation, Space Tug	Space Tug, In-Space Logistics, Active Debris Removal (ADR)	Transport Service (In-Space), In-Space Transportation	Early stage	Hyoristic Innovations (HI) works on a Mission to reduce the Space Debris with Active Debris Removal and Mitigation Techniques for a sustainable and collision free space.
SR Space (Success Rockets)	STRANNIK-1, STRANNIK-2	Space Tug	Space Tug, Transport Service (LEO-GEO), Transport Service (LEO-Moon)	Moon	Cancelled	The lineup of Success Rockets space tugs is intended to remove small satellites form the reference orbit to the highest orbits, and implementation of scientific missions to the deep space and other planets.
Starfish Space	Otter	Space Tug, On-Orbit Servicing, Active Debris Removal	Space Tug, On-Orbit Servicing, Satellite Life Extension, Active Debris Removal (ADR), Transport Service (LEO-GEO), Hardware	In-Space Transportation, On-Orbit Servicing, In-Space Satellite Servicing	Development, Launched	Starfish Space is giving life to on-orbit services! Our Otter Space Tug maximizes satellite capability through satellite servicing missions like life extension and debris removal.
Stellar Space Industries		ISRU, Raw Materials & Asteroid Mining, Propellant Refuel Station	Resources - Oxygen, Propellant Refuel Station, Hardware, Propellant Refilling	Oxygen, Propellant	Concept	Use oxygen that is collected and processed from low earth orbit (LEO) as a propellant in space.
Thales Alenia Space	Start, Cis-Lunar Transfer Vehicle (CLTV), IMAGIN-e	Space Tug, On-Orbit Servicing, In-Space Transportation, Propellant Refuel Station	Space Tug, On-Orbit Servicing, Propellant Refilling, Propellant Refuel Station, In-Orbit Computing	On-Orbit Servicing, Edge Computing	Development	Thales Alenia Space is developing Start, a fleet of in-orbit service vehicles.
ThermaSat (Howe Industries)	ROAMER	In-Space Transportation	On-Orbit Servicing, Hardware, Orbital Transportation, Robotic Arm, In-Space Assembly	In-Space Transportation	Early stage	ThermaSat is an in-space mobility and OSAM provider bringing an age-old method of locomotion to space steam.
TransAstra (Trans Astronautics Corporation)	Worker Bee, Sutter Space Telescope	Space Tug, Propellant Refuel Station, ISRU, Raw Materials & Asteroid Mining, In-Space Manufacturing, Raw Resources & Utilities	Space Tug, Space Situational Awareness (SSA), Resources - Asteroid Mining, Propellant Refuel Station, Space Mining, In-Space Manufacturing, ISRU (In Situ Resource Utilization), Propellant Refilling, Active Debris Removal (ADR)	Refilling Station, Mining, In-Space Transportation	Development	TransAstra is developing game-changing technologies in the areas of orbital logistics and space resources to enable massive growth to existing and entirely new space industries.
Turion Space	Droid	Active Debris Removal, On-Orbit Servicing, Miscellaneous	Active Debris Removal (ADR), On-Orbit Servicing, Resources - Asteroid Mining, Space Situational Awareness (SSA)	In-Space Satellite Servicing, Asteroids	Development, Launched	Building spacecraft for space situational awareness and in space logistics.
UARX	LOLA, LUCAS, OSSIE	Commercial Lander, Space Tug	Transport Service (LEO-Moon), Commercial Lunar Lander, Space Tug, In-Space Logistics	Moon	Early stage, Development	We provide reliable in-space logistics, rideshare and dedicated launch services for Small Satellites, from LEO to the Moon and beyond.
ULA (United Launch Alliance)	ACES	Commercial Lander, Space Tug	Transport Service (LEO-Moon), Commercial Lunar Lander, Space Tug, In-Space Logistics	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO), Inflatable Atmospheric Decelerator	Concept	ACES is a refuelable modular upper stage that can can be also used as propellant depot and land on the Moon.
Valor Robotics (Zero-G Horizons Technologies)	Spacecraft On-Orbit Advanced Refueling and Storage (SOARS)	Propellant Refuel Station	Propellant Refuel Station, Propellant Refilling	-	Dormant, Development	Zero-G Horizons Technologies (ZGHT), in partnership with Embry-Riddle Aeronautical University (ERAU) is developing a Spacecraft On-Orbit Advanced Refueling and Storage (SOARS) system.
Way4Space	SpaceCase	In-Space Transportation	Transport Service (Re-Entry), Microgravity Flight Service (Reusable Satellite), Microgravity Flight Service (LEO)	Space Capsule	Development
Xplore	XCRAFT	Space Tug, In-Space Transportation	Space Tug, In-Space Logistics, Beyond-LEO Remote Sensing	In-Space Transportation, Transport Service (In-Space), Transport Service (LEO-GEO), Solar Sail, Edge Computing	Development, Concept, ?	The XCRAFT™ is a multi-mission spacecraft with all the subsystems necessary for missions between Venus and Ceres.

In-Space TransportationSpace tugs, OTVs, debris removal