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Direct Ink Writing Companies

29 Ceramics/Composites · Direct Ink Writing companies in the additive manufacturing ecosystem tracked by AMPulse. Browse profiles, funding rounds, and technology details.

Updated

Direct Ink Writing (MEX-DIW) is an additive manufacturing process for ceramics or ceramic-reinforced composites. AMPulse tracks 29 companies using Direct Ink Writing as a core technology, ranked below by total funding raised.

Typical materials: alumina, zirconia, silicon carbide, ceramic-filled polymers. Common applications: aerospace, defense, medical implants, electronics, tooling.

Amedica

Develops and manufactures spinal fusion and fixation products featuring silicon nitride ceramic implants for spine surgery, offering superior bone fusion, antibacterial properties, and mechanical strength compared to traditional materials like PEEK and titanium.

Carrollton, TX, USAFounded 1996$74.2M

Evove

Develops precision-engineered filtration and separation membranes using additive manufacturing and graphene-based coatings.

Widnes, United KingdomFounded 2015$22.6M

Calix Ceramic Solutions, LLC

Provides advanced ceramic 3D printing services, custom component manufacturing, and engineering consulting for high-temperature, wear-resistant, and corrosion-resistant industrial applications.

Tonawanda, NY, USAFounded 2012$9.5M

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

Optomec Design Co

Develops and sells production-grade additive manufacturing systems, including Aerosol Jet printers for printed electronics and LENS/Huffman metal 3D printers for component production and repair, reducing lead times and enabling high-volume manufacturing.

Albuquerque, NM, USAFounded 1997$6.0M

Raven3D

Develops large-format composite 3D printing systems using Microwave Assisted Deposition (MAD) for aerospace and space applications, enabling rapid production of lightweight, high-strength parts.

Kansas City, KS, USAFounded 2020$1.8M

Guangdong Junjing Technology Co., Ltd.

A high-efficiency industrial ceramic 3D printing provider offering a 'full-chain' solution encompassing proprietary equipment, specialized slurry materials, and post-processing technology.

Foshan, ChinaFounded 2021$1.4M

CNC Robotics Limited

Provides robotic system integration and support services for large-format additive manufacturing (LFAM), specializing in hybrid 3D printing and CNC machining solutions.

Liverpool, United KingdomFounded 2010~$0.8M

Azotera

Develops reversible ammonia solutions for critical power, fertilizer production, and long-duration energy storage, using additive-manufactured solid-oxide electrolyzer/synthesis systems.

Pullman, WA, USAFounded 2023$674,915

Novadditive

Produces custom ceramic parts using multi-process 3D printing (FFF, SLA, LDM) from prototypes to series for demanding applications in aerospace, defense, luxury, and more.

Tarbes, FranceFounded 2020$550K

Composites Automation, LLC

Develops advanced composite materials and process technologies, including TuFF (Tailored Universal Feedstock for Forming) for high-performance, low-cost carbon fiber composites.

Newark, DE, USAFounded 2001$380,618

Eazao

Manufacturer of affordable desktop ceramic 3D printers and accessories using direct clay extrusion technology for artists, educators, and small businesses.

Jingdezhen, ChinaFounded 2021$287K

Cerambot

Develops affordable desktop ceramic 3D printers using viscous fluid direct writing technology for clay, porcelain, and other materials, targeting education, research, and creative applications.

Jinan, Shandong, ChinaFounded 2018$286.5K

Sporian Microsystems, Inc.

Develops ultra-high temperature ceramic insulation materials and sensors for harsh environments, including additively manufactured thermal protection systems (TPS) for aerospace applications.

Lafayette, CO, USAFounded 2000$156K

Robocasting Enterprises, LLC

Industrial ceramic 3D printing service and manufacturer using robocasting (direct ink writing) to produce lattice filters, catalyst supports, crucibles, and custom components for demanding applications.

Albuquerque, NM, USAFounded 2007$150K

Evenline

Develops molten glass 3D printing technology to process recycled architectural and bottle glass into functional objects and lunar manufacturing components.

Rochester, NY, USAFounded 2022$150K

GC Advanced Material Solutions

Develops BMPD/MEX metal and ceramic feedstock formulations (Medpimould, AmbientPrint) and low-cost licenses to make printable feedstocks from commercial MIM/CIM powders.

Hong KongFounded 2019$0.14M

StoneFlower3D

Develops high-precision ram-extrusion 3D printers and components for high-viscosity materials like clay, porcelain, and concrete.

Eching, GermanyFounded 2017$40K

Studio RAP

An architectural design and fabrication studio that integrates computational design with large-scale robotic 3D printing to create bespoke, sustainable ceramic facades and complex structures.

Rotterdam, NetherlandsFounded 2016$25K

Barcelona 3D Ceramics - B3DC

Specializes in direct 3D printing of ceramics and digital modeling, producing unique pieces, prototypes, and short-to-medium series using proprietary materials and robocasting, binderjet, and SLA/DLP technologies.

Guardiola de Font-rubí, Barcelona, SpainFounded 1982Bootstrapped

Physical Sciences, Inc.

Contract R&D firm developing advanced composite materials and additive manufacturing processes for extreme environments, including NASA rocket engine nozzles and hypersonic components.

Andover, MA, USAFounded 1973

North Ridge Pumps Ltd

Engineers and supplies high-precision industrial pumps for additive manufacturing, specializing in pulse-free delivery of high-viscosity and shear-sensitive fluids up to 1M cP.

Ilkeston, Derbyshire, United KingdomFounded 1998Undisclosed

3D Minerals

Designs and develops ceramic 3D printers using patented Slurry Deposition Modeling (SDM) extrusion technology for large-format ceramic parts without stopping the printing process.

FranceFounded 2019

Lehmhuus 3D Ceramics GmbH

Provides ceramic 3D printing services and sells extrusion-based ceramic 3D printers (PotterBot), kilns (ROHDE), and glazes (ROK) for industrial and artistic applications.

Weil am Rhein, GermanyFounded 2023

SeeGene Bio

Develops patient-specific titanium cranial and craniofacial implants using Laser Powder Bed Fusion (LPBF) and bioceramic 3D printing, enabling rapid 5-day turnaround for surgical reconstruction.

Seoul, South KoreaFounded 2006

Additive Tectonics GmbH

Develops robotics-driven architectural 3D printing systems using binder jetting (Drop on Powder technology) for concrete and ceramic components—reducing construction waste by 60%+ and enabling complex geometric facades, walls, roofs, and floor structures for buildings.

Lupburg, Bavaria, GermanyFounded 2020

Digital Building Technologies - DBT

Develops additive manufacturing strategies for architecture, integrating computational design and digital fabrication to innovate construction processes.

Zurich, SwitzerlandFounded 2014Undisclosed

INSTATIQ

Mobile 3D concrete printer combining automated concrete extrusion with 26-meter robotic arm precision, enabling wall-scale construction on job sites with 40% cost reduction and 6-week delivery vs. 18-month conventional timelines.

Stuttgart, GermanyFounded 2023Bootstrapped

3D Potter

Develops 3D printers specialized for ceramics, clay, cement, and paste extrusion for production and educational environments.

Palm City, Florida, USAFounded 2014

Frequently asked questions

What is Direct Ink Writing (MEX-DIW)?

An additive manufacturing process for ceramics or ceramic-reinforced composites.

Which companies are leaders in Direct Ink Writing?

Based on funding data tracked by AMPulse as of 2026-09, the top Direct Ink Writing companies include Amedica, Evove, Calix Ceramic Solutions, LLC, GaeaStar, and Optomec Design Co. Full list of 29 tracked companies available on this page.

What materials does Direct Ink Writing use?

Direct Ink Writing commonly works with alumina, zirconia, silicon carbide, ceramic-filled polymers.

What industries use Direct Ink Writing?

Primary applications for Direct Ink Writing include aerospace, defense, medical implants, electronics, tooling.