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Seed Additive Manufacturing Companies

50 additive manufacturing companies at the Seed stage tracked by AMPulse. Browse profiles, funding rounds, and technology details.

Updated

AMPulse tracks 50 AM companies whose latest funding milestone is Seed. Data is sourced from public filings, press releases, and company disclosures, normalized against the latest-funding-round field, and cross-checked via a 6-pass enrichment pipeline. Companies are ranked below by total funding raised (cumulative across all rounds).

Terrahaptix

A defense technology company that designs and manufactures autonomous systems, including long-range drones and sentry towers, to protect critical infrastructure across Africa.

Abuja, NigeriaFounded 2024$52M

New Story

Develops and deploys 3D-printed affordable housing communities in developing regions through partnerships with construction technology firms like ICON.

Austin, TX, USAFounded 2014$50M

Hybron

A next-generation composite manufacturing company developing high-performance, lightweight hardware for aerospace and defense applications.

El Segundo, USAFounded 2022$29.0M

LambdaVision

Develops a protein-based artificial retina using a layer-by-layer additive manufacturing process in microgravity to restore vision for patients with retinal degenerative diseases like retinitis pigmentosa and age-related macular degeneration.

Woodbridge, CT, USAFounded 2009$23.0M

POLARIS Spaceplanes

Advanced spaceplanes featuring the MIRA demonstrator and the planned AURORA spaceplane, equipped with innovative 3D-printed aerospike engines.

Bremen, GermanyFounded 2019$22.0M

Interlune Corporation

Develops lunar resource harvesting systems to extract helium-3 and other materials from the Moon, enabling a trillion-dollar in-space economy.

Seattle, WA, USAFounded 2020$19.9M

Zellerfeld Shoe Company Inc.

Full-stack 3D printed footwear manufacturer and platform for on-demand, customized shoe production.

Hamburg, Germany / Austin, Texas, USAFounded 2020$15.0M

Systemic Bio

Develops 3D bioprinted vascularized organ-on-a-chip models (h-VIOS platform) using hydrogels and human cells for preclinical drug testing, reducing reliance on animal models and accelerating drug discovery timelines.

Houston, TX, USAFounded 2022$15M

Proteus Space

An AI-powered automated satellite design and manufacturing company that creates custom, payload-tailored satellite buses through its MERCURY™ platform, eliminating the constraints of standardized spacecraft buses.

Los Angeles, USAFounded 2021$14.75M

Balena Science

High-performance, compostable, and biodegradable biopolymers designed for the fashion industry, suitable for 3D printing and injection molding applications.

Tel Aviv, IsraelFounded 2020$14M

Fabri

Develops a digital foundry using AI and robotics to deliver precision metal castings for aerospace, reducing lead times from months to days.

Billerica, MA, USAFounded 2022$13.5M

In-Vision

Manufactures high-precision UV DLP light engines and optical systems for resin-based 3D printing, enabling sub-micron resolution and structured light applications.

Guntramsdorf, AustriaFounded 2000$13.5M

Make it LEO

Provides a SaaS platform that converts 3D printable designs into protected LEO (Limited Edition Object) files with embedded production constraints for secure, controlled additive manufacturing.

Tel-Aviv, IsraelFounded 2013$12.5M

Gantri Made

Digital manufacturing platform enabling designers and brands to create and scale high-quality lighting products using on-demand 3D printing with proprietary plant-based polymers, eliminating traditional manufacturing barriers.

San Francisco, California, USAFounded 2016$12.5M

Volund Manufacturing

Develops low-cost, attritable gas turbine engines for defense applications, using vertically integrated manufacturing with proprietary automation and digital thread technology.

Huntington Beach, California, United StatesFounded 2025$12M

Kalogon, Inc.

Kalogon develops smart seating solutions using AI-driven air cell technology and 3D-printed variable-density lattice cushions for wheelchair users, aviation, and automotive applications.

Melbourne, Florida, United StatesFounded 2019$11.5M

Gamma Alloys

Designs and manufactures nano-particle-reinforced aluminum metal matrix composite alloys for additive manufacturing (metal powder and wire) and wrought applications, enabling lighter, stronger components for aerospace and automotive.

Valencia, CA, USAFounded 2008$11.5M

Nanochon

A 3D-printed synthetic cartilage implant designed to replace damaged knee tissue and stimulate the growth of natural bone and cartilage.

Washington, D.C., USAFounded 2016$11.3M

Intalus

Intalus develops a patented ceramic infusion process that embeds ceramics into metal to create engineered material architectures for extreme-environment applications in aerospace, defense, and industrial sectors.

Ashburn, Virginia, United StatesFounded 2019$11M

Cellbricks GmbH

Developing implantable vascularized human tissue grafts via proprietary high-resolution light-based 3D bioprinting.

Berlin, GermanyFounded 2017$10.8M

Askari Defense

A defense technology startup developing low-cost, man-portable, 3D-printed kinetic interceptors designed to neutralize autonomous drone threats.

817 W Peachtree St NW, Atlanta, GA 30308, USAFounded 2024$10.7M

Atoa Payments Limited

Atoa Payments is an Open Banking-based payment solution for UK businesses, enabling instant bank app payments and reducing card fees.

30 Churchill Place, Canary Wharf, London E14 5EU, UKFounded 2022$10.3M

Zoo

AI-enabled CAD platform for hardware design, offering Text-to-CAD, Modeling App, and APIs for 3D printing and manufacturing

Inglewood, California, USAFounded 2021$10.12M

SyncFab

Cloud-based procurement platform connecting aerospace/defense OEMs with vetted US-based suppliers for custom parts sourcing, including 3D printing, CNC machining, and sheet metal fabrication.

San Leandro, CA, USAFounded 2013$10M

Astrobase

Bengaluru space-tech startup building India's first privately developed full-flow staged combustion (FFSC) LOX-methane engines (EVEREST, 800 kN) and medium-lift reusable orbital launch vehicles, with vertical integration via large-format metal AM.

Bengaluru, IndiaFounded 2024$10.0M

Winston

Develops high-energy laser additive manufacturing systems to modernize the aerospace and defense industrial base by rapidly producing large-scale metal components, replacing traditional castings and forgings.

El Segundo, CA, USAFounded 2024$10M

JAMPT Corporation

Japan's first comprehensive metal AM service bureau providing end-to-end solutions: proprietary metal powder development and manufacturing, contract prototyping and production using electron beam melting (EBM) and laser-based LPBF systems, and design-for-additive-manufacturing (DfAM) consulting for complex part optimization.

Tagajo, Miyagi, JapanFounded 2017$9.8M

Polaron

A generative AI platform designed to accelerate the discovery and optimization of advanced materials by modeling and designing complex microstructures.

London, United KingdomFounded 2023$9.27M

Spentys

Spentys provides an end-to-end, AI-powered software platform for the digital design and manufacturing of custom-fit orthotics and prosthetics.

Brussels, BelgiumFounded 2017$9.1M

Titan Dynamics

A defense technology startup developing ultra-rapid, 3D-printed Unmanned Aerial Systems (UAS) and mobile drone factories for battlefield manufacturing.

Torrance, CA, USAFounded 2023$9.0M

Saeki Robotics

Develops autonomous robotic micro-factories that integrate large-format 3D printing (FDM/FFF), CNC milling, and inspection for on-demand production of large-scale industrial components.

Lupfig, SwitzerlandFounded 2022$9.0M

SAEKI

A hybrid manufacturing platform that combines large-scale additive manufacturing with precision CNC machining, supported by an instant quoting system.

Zürich, SwitzerlandFounded 2022$9M

Craftcloud by All3DP GmbH

Global 3D printing marketplace that compares real-time quotes from 150+ vetted manufacturers worldwide, enabling instant access to FDM, SLS, MJF, SLA, DMLS, SLM, and EBM services—from prototypes to production parts—with transparent pricing, lead times, and material selection across 95 countries.

Munich, GermanyFounded 2014$8.85M

Material Hybrid Manufacturing

A deep-tech manufacturing company developing HYBRID3D™ technology to 3D print functional, conformal batteries directly into the structural components of hardware.

Miami, USAFounded 2022$8.35M

M3D LLC

Develops affordable, compact FDM 3D printers for consumer and hobbyist markets, starting with the Micro model that became the world's first truly accessible consumer 3D printer.

Fulton, Maryland, USAFounded 2014$8.3M

Rapta Inc.

Rapta provides an AI-powered manufacturing intelligence platform that uses cameras and computer vision to perform real-time, 100% quality inspection and traceability at production stations for defense, aerospace, medical device and precision manufacturers.

Lake Oswego, Oregon, USA$8M

Fortastra Corp.

Fortastra develops maneuverable autonomous spacecraft for on-orbit security and defense of critical space infrastructure, serving government and commercial satellite operators.

Torrance, California, United StatesFounded 2025$8M

Womp

Browser-based 3D modeling platform with integrated 3D printing services, enabling designers and teams to create, collaborate, and print without leaving the browser.

San Francisco, CA, USAFounded 2021$7.95M

Relocalize

A manufacturing technology company that builds autonomous, containerized micro-factories for hyper-local, on-demand production of food and beverage products.

Montreal, CanadaFounded 2020$7.8M

Plastometrex

A hardware-software platform that enables rapid, non-destructive mechanical testing of metals using Profilometry-based Indentation Plastometry (PIP) technology to extract full stress-strain curves in minutes from indentation tests.

Cambridge, United Kingdom (HQ); Houston, TX, USAFounded 2018$7.73M

Koobz

US-based on-demand footwear manufacturer using 3D printing to produce shoes domestically with zero minimum order quantities.

Ventura, California, United StatesFounded 2023$7.2M

Stack3D

Provides end-to-end additive manufacturing services from prototyping to small-batch production using LFAM, SLS, and FDM technologies, delivering results in 1-2 days.

674 Highland Dr, River Falls, WI 54022, USAFounded 2011$7.1M

Endeavor3D

High-volume contract manufacturing of precision 3D printed parts using polymer and metal AM technologies

Douglasville, Georgia, USAFounded 2020$7M

Co-reactive

A climate-tech startup developing a continuous carbon mineralization process that converts CO2 and industrial waste into high-performance, CO2-negative construction materials.

Erkrath, GermanyFounded 2024$7M

Sperra

Designs and manufactures 3D concrete printing (3DCP) structural systems for renewable energy infrastructure in marine and aquatic environments.

San Pedro, California, USAFounded 2017$6.9M

Corbel

AI-powered sales platform for complex industrial equipment sales, providing AI sales assistant, CPQ automation, and embedded financing.

New York, NY, USAFounded 2022$6.7M

Theta Technologies Limited

Provides patented nonlinear resonance non-destructive testing (NDT) solutions specifically designed for additive manufactured metal parts, delivering rapid flaw detection in under one minute.

Exeter, UKFounded 2007$6.68M

Phase3D

Phase3D develops real-time, in-process inspection systems using proprietary structured light (Fringe Projection) to monitor surface topography and detect anomalies during additive manufacturing.

Chicago, Illinois, USAFounded 2021$6.65M

GaeaStar

Develops ultra-thin, compostable clay cups and bowls using proprietary high-speed additive manufacturing (3D printing) with clay, water, and salt, targeting single-use plastic replacement.

San Francisco, CA, USAFounded 2021$6.5M

Currant3D

Currant3D develops and manufactures 3D printers and materials for food, with a focus on creating plant-based meat alternatives and intricate sugar-based confections.

Los Angeles, USAFounded 2020$6.45M

Frequently asked questions

Which AM companies are at Seed?

AMPulse currently tracks 50 additive manufacturing companies whose latest funding round is Seed. Leading examples include Terrahaptix, New Story, Hybron, LambdaVision, and POLARIS Spaceplanes.

What does Seed mean for AM companies?

Seed designates the most recent announced funding milestone in an AM company's financing history. AMPulse sources this from public filings, press releases, and company disclosures, then normalizes to the ISO/ASTM-adjacent funding taxonomy used in venture tracking.

How is funding data verified?

AMPulse uses a 6-pass enrichment pipeline (Brave search + Gemini, CJK language enhancement, gap-fill, targeted re-search, LinkedIn verification, verification loop) to triangulate funding data. Each company profile shows the source and last-verified date.