Epsilon Composite
French designer and manufacturer of carbon fiber reinforced polymer (CFRP) parts using pultrusion, pullwinding, and filament winding for industrial, energy, and aerospace applications.
- CEO / Founder
- Stéphane Lull
- Team Size
- 201-500
- Stage
- Established
- Latest Round
- Corporate Round
- Key Investors
- Sumitomo Corporation
Technology & Products
Key Products
Carbon fiber pultruded profiles, tubes, rods, and beams; technical rollers for printing/textile/film industries; HVCRC® high-voltage composite core conductors; Carbolam® structural reinforcement plates; structural struts for aerospace; carbon fiber adapters and doctor blade chambers; K1® ultra-stiff large-diameter tubes (pultrusion + filament winding); Pullwinding thin-walled tubes.
Technological Advantage
Proprietary pultrusion and pullwinding processes enabling low-cost, high-volume production of CFRP parts; patented K1® technology combining pultrusion with filament winding for ultra-stiff large-diameter parts; patented thermoplastic overmolding for glueless assemblies; 10% of budget dedicated to R&D; 100+ worldwide patents.
Differentiation
Value Proposition
Lightweight, stiff, and corrosion-proof carbon fiber composite solutions (profiles, tubes, struts, beams, rollers) manufactured via automated pultrusion at industrial scale with patented technologies.
How They Differentiate
Specialized exclusively in carbon fiber (vs. glass/carbon mix of larger pultruders); patented Pullwinding and K1® technologies; deep expertise across multiple verticals (energy, aerospace, industrial); family-owned with long-term strategic partnerships; 90% export rate with global sales offices.
Market & Competition
Target Customers
Industrial OEMs (printing, flexography, textile, film machinery); energy sector (power transmission, oil & gas, wind); aerospace (Tier 1 supplier to Airbus); civil engineering and architecture firms.
Industry Verticals
Industrial manufacturing (printing, flexography, textile, film); Energy (power transmission, oil & gas, wind energy); Aerospace (commercial aviation, space); Civil engineering & architecture; Sports & leisure; Automotive.
Competitors
Exel Composites (Finland); Röchling Group (Germany); Strongwell Corporation (USA)
Growth & Milestones
Growth Metrics
230 employees (company website); 90% export rate; 10% of budget on R&D; 100+ worldwide patents; serves 200+ customers across 5 continents.
Major Milestones
1987: Founded by Stéphane Lull; 1992: First aerospace contract (Saab); 2004: K1® patent filed; 2005: Pullwinding patent; 2010: Became Airbus Tier 1 supplier; 2015: Carbolam® reinforcements for Steve Jobs Theatre roof; 2021: JEC Innovation Awards finalist; 2023: Global Industrie Award for thermoplastic overmolding; 2024: Sumitomo Corporation becomes minority shareholder; 2025: Acquired Cometec Srl (Italy).
Notable Customers
Airbus (A350, A330, A380 programs); Saab; Thales; BMW; EDF; ENI; Technip; Nexans; Kone (Ultrarope® elevator belts); Bobst (printing machines); Kuhn (agricultural booms); RTE (French grid operator).