Demgy
Provides industrial 3D printing and plastic/composite manufacturing services, specializing in serial production of high-performance polymer parts for aerospace and defense.
- CEO / Founder
- Pierre-Jean Leduc
- Team Size
- 201-500
- Stage
- Active
- Total Funding
- Undisclosed
- Latest Round
- Strategic Investment - Undisclosed - December 2023
- Key Investors
- Société Générale Capital Partenaires (SGCP); Ouest Croissance; Bpifrance; Turenne Groupe; Vauban Partenaires
Technology & Products
Key Products
Serial 3D Printed Polymer Parts; Thermoplastic & Bio-Composites; Plastronics/Smart Plastic Products; High-Precision Plastic Machining; Micro-Injection Molding
Technological Advantage
Claimed: End-to-end material and process mastery across additive and subtractive plastic manufacturing. Verified: Long-standing aerospace/defense certifications and validated serial production workflows. Defensible: High switching costs due to integrated process validation, proprietary material formulations, and decades of regulatory compliance expertise.
Differentiation
Value Proposition
Reduces tooling costs and lead times by 60-80% for complex polymer parts through validated serial 3D printing, while integrating AM with traditional manufacturing to enable seamless prototype-to-production scaling.
How They Differentiate
Unlike pure-play digital manufacturing platforms, Demgy operates a vertically integrated facility that combines AM with traditional plastic processing (injection, machining, composites), enabling hybrid part optimization and certified serial production at lower cost-per-part for regulated industries.
Market & Competition
Target Customers
Aerospace, defense, and industrial OEMs requiring certified, end-use polymer and composite components
Industry Verticals
Aerospace & Defense; Automotive; Industrial Manufacturing; Medical Devices
Competitors
Sculpteo; Protolabs; Xometry
Growth & Milestones
Growth Metrics
Reported €45M revenue in 2023 (up 15% YoY); 250+ employees; expanded to 10,000m² facility in Évreux; serial production of 100,000+ parts annually for aerospace clients like Airbus and Safran.
Major Milestones
Rebranded from Dedienne Multiplasturgy Group to Demgy (circa 2021-2022) to unify its corporate identity around advanced manufacturing, with a heavy strategic emphasis on industrial polymer additive manufacturing.; Scaled its Évreux, France operations to include a dedicated, industrial-grade polymer 3D printing production line, shifting focus from rapid prototyping to serial manufacturing of end-use parts.; Integrated a 'scan-to-part' and full 'design-to-part' service workflow, combining traditional plastic injection molding expertise with additive manufacturing to serve aerospace, automotive, and industrial sectors.
Notable Customers
Safran; Airbus; Dassault Aviation; Thales