HEF Groupe
HEF Groupe is a French surface materials engineering company serving mobility, construction, defense, aerospace, medical, and decarbonized energy sectors via three technology pillars: tribology, photonics, and hydrogen fuel cell components.
- Company typePrivate
- Founded1953
- HeadquartersBouthéon, France
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
What HEF Groupe does
HEF Groupe is a France-based surface materials engineering company founded in 1953 in Saint-Étienne by Jacques-Jean Caubet. It operates across three technology pillars: tribology (friction and wear solutions), photonics (optical components and thin-film coatings for space and defense), and hydrogen technologies (fuel cell bipolar plate coatings). The company's core technology stack includes CLIN™ liquid nitrocarburizing (cyanate-based molten salt bath, 1–3 hour cycle vs. 6–24 hours for gas nitriding), PVD-PECVD vacuum coatings, ultra-fast femtosecond laser texturing, patterned/matchstick optical filters for space observation (used in the Sentinel 5 satellite), and the CERTESS ELEC FC carbon-based coating for hydrogen fuel cell bipolar plates (3 patents filed, targeted to halve fuel cell stack coating cost).
HEF generates revenue through three streams: surface treatment services (PVD-PECVD, liquid nitrocarburizing, failure diagnosis, and tribology consulting), component supply (self-lubricating H-LINER composite bushings rated up to 140 MPa and 5.5x lighter than copper alloys, Tribotex/Triboglide marine bushings, Superballs hollow-core solder balls, functionalized powders), and technology licensing via the Techniques Surfaces global network (TUFFTRIDE®, TENIFER®, QPQ®, ARCOR®, SURSULF® brands). The company also derives a small recurring revenue stream from Qualiopi-certified tribology training courses priced at €695 per participant.
In FY2025 HEF reported €327.8M in revenue with 3,390 employees across 22 countries, serving prime contractors and SMEs in mobility (automotive, rail, aviation, racing), construction and mining equipment, defense and aerospace, decarbonized energy (wind, hydro, nuclear, solar), medical devices, industrial manufacturing, and consumer goods. Named customers include Caterpillar (construction), Thales and Nicomatic (Superball R&D), and ZXMOTO (racing). The company operates from headquarters in Andrézieux-Bouthéon and major production/R&D sites in Saint-Étienne (HEF Photonics 1,000 sqm cleanroom facility; hydrogen 12,000 sqm pilot plant) and Lannion (photonics). Distribution combines direct sales from French facilities with a global licensee network and wholly-owned subsidiaries. Recent moves include a €40 million hydrogen pilot plant (€7 million from France 2030), acquisition of US-based PVD equipment maker Vergason Technology (March 2025), acquisition of TELIC (January 2025), integration of DRIE-D (March 2026), and a strategic collaboration with Oak Ridge National Laboratory on additive manufacturing.
HEF Groupe firmographics
Firmographics- Name
- HEF Groupe
- Legal name
- HEF MECANIQUE ET SURFACES
- Website
- https://hef.group
- Company type
- Private
- Founded year
- 1953
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Short description
- HEF Groupe is a French surface materials engineering company serving mobility, construction, defense, aerospace, medical, and decarbonized energy sectors via three technology pillars: tribology, photonics, and hydrogen fuel cell components.
- Ownership category
- akta.pro rank
Where HEF Groupe is headquartered
LocationHeadquarters
- HQ city
- Bouthéon
- HQ country
- France
- HQ region
- Europe
Offices4 records
Markets served
HEF Groupe business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Operations, Infrastructure, Supply Chain, Marketing or Sales
Revenue model
- Surface Treatment Services: HEF provides comprehensive surface treatment and engineering services including tribology analysis, failure diagnosis, solution development, and industrial treatment services. Revenue generated from processing fees for treatments such as PVD-PECVD, liquid nitrocarburizing, and other surface modification processes.
- Component Supply: Supply of proprietary components including self-lubricating composite bushings (H-LINER, Tribotex, Triboglide, ACM L2 marine), friction components, and functionalized powders.
- Technology Licensing: CLIN technologies licensed globally under TUFFTRIDE®, TENIFER®, QPQ® brands, as well as ARCOR® and SURSULF® through Techniques Surfaces (TS) network worldwide.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | One time | ST01 - Tribology Training Course |
| Unit Pricing | One time | ST02 - Surface Treatments and Coatings Training Course |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels4 records
HEF Groupe product offering
Product offeringCore offering
HEF Groupe is a world leader in surface materials engineering, providing end-to-end services from R&D to industrial production. The company offers surface treatments (PVD-PECVD, CLIN liquid nitrocarburizing, femtosecond laser texturing), manufactured components (H-LINER self-lubricating bushings, Superballs solder balls, friction components, functionalized powders), and specialized coatings (CERTESS ELEC FC for hydrogen fuel cells, infrared optical treatments, patterned multispectral filters) for the mobility, construction, defense and aerospace, energy, and medical sectors.
Product overview
HEF Groupe is a world leader in surface materials engineering operating through three core domains: tribology (friction and wear solutions), photonics (optical components and coatings), and hydrogen technologies (fuel cell components). The company offers a comprehensive portfolio including surface treatment services (PVD-PECVD, liquid nitrocarburizing/CLIN™ Technologies, ultra-fast femtosecond laser), manufactured components (composite friction components including H-LINER, Superballs, friction components), and specialized coatings (CERTESS ELEC FC for fuel cells, Certess EJECT C+ for molds, infrared optical treatments, patterned filters for space). Services span from R&D and consulting to industrial production and technology transfer, with facilities in France and subsidiaries worldwide. Recent expansions include HEF Photonics Saint-Étienne (photonics production and R&D) and a hydrogen bipolar plates pilot plant in Saint-Étienne.
Differentiator
Problem solved
Functional benefit
Brands
- HEF Photonics: Photonics division specializing in optical component processing, patterned filters for space observation, infrared coatings, and spectral filtration for defense, aerospace, and medical sectors.
- HEF PHOTONICS
- HEF MECANIQUE ET SURFACES
- CLIN™
- CERTESS ELEC FC
- H-LINER
- TUFFTRIDE®
- TENIFER®
- QPQ®
- ARCOR®
- SURSULF®
- Superballs
- IREIS
- KERDRY
- ECO-CLIN™
- PELTM OX
Products and services
- CLIN Liquid Nitrocarburizing Technologies Liquid nitrocarburizing surface treatment using cyanate-based molten salt baths for surface hardening of ferrous materials. Provides faster, more uniform treatment compared to gas nitriding and serves as an environmentally friendly alternative to hard chrome plating for industrial customers.
- CERTESS ELEC FC Carbon Coating for Fuel Cell Bipolar Plates Carbon-based thin film coating deposited by vacuum sputtering for hydrogen fuel cell bipolar plates, combining graphite's electrical conductivity with diamond's chemical inertness and mechanical strength. Replaces expensive gold coating. 3 patents filed.
- H-LINER Self-Lubricating Composite Bushings Self-lubricating composite plain bearings including H-LINER S (with fiberglass reinforcement) and H-LINER M (self-lubricating throughout thickness). Alternative to copper alloy bushings with lower friction, reduced weight, no external lubrication, and up to 140 MPa load capacity.
- Superballs Hollow-Core Solder Balls Hollow-core solder balls for electronic component interconnection that double the service life of computers, phones, position sensors, and accelerometers with higher resistance to mechanical stress.
- Certess EJECT C+ Cobalt-Free PVD Coating Cobalt-free and nickel-free PVD coating for plastics processing industry molds, complying with the latest American and European regulatory requirements.
- Patterned Matchstick Multispectral Filters Microspectrally patterned optical filters (matchstick filters) for space observation applications enabling simultaneous multi-gas detection. Used in Sentinel 5 satellite. Micrometer-level precision manufacturing with over 100 layers of metal oxides.
- Infrared Optical Component Treatments Anti-reflective coatings and surface treatments for infrared optical components covering 3-5 micron and 8-12 micron wavelength bands. Adaptable for plane, concave, and convex surfaces from 1 to 500mm diameter, including hard carbon coatings for external surface protection.
- Ultra-Fast Femtosecond Laser Treatment Services Ultrashort pulse (femtosecond) laser surface treatment for texturing, engraving, cutting, drilling, marking, and micromachining of all materials. Minimizes thermal effects through material sublimation.
- PVD-PECVD Vacuum Deposition Services Physical Vapor Deposition (PVD) and Plasma-Enhanced Chemical Vapor Deposition (PECVD) vacuum coating services for industrial applications including automotive, aerospace, medical, and electronics.
- Functionalized Powders Specialty functionalized powders for industrial surface treatment applications.
- Nitruration Salts and Equipment Nitruration salts and associated treatment equipment supplied for industrial surface treatment operations.
- Tribology Training Courses Professional training courses on tribology (ST01) and surface treatments/coatings for friction problems (ST02). 86 trainees trained since 2021 with 97% satisfaction rate. Qualiopi certified. Priced at €695.00 per participant.
- Tribology Engineering Services Scientific study and engineering services covering friction and wear phenomena in mechanical systems, including analysis of wear mechanisms, surface treatments, and tribological solutions for metals, polymers, and ceramics.
- HEF Photonics Optical Components Photonics division products including optical components, thin-film coatings, patterned filters for space observation (Sentinel 5), and infrared optical treatments. Operates from Lannion and Saint-Étienne sites in France.
- Vergason PVD Coating Equipment PVD coating equipment supplied by Vergason Technology, Inc. (acquired by HEF Groupe in March 2025) for automotive, aerospace, medical, and electronics industrial applications.
Quantifiable outcome
- Bipolar plate coating reduces fuel cell cost by 50%
- +5 more outcomes
Companies that use HEF Groupe
Customer profileNamed customers4 records
Segments7 records
Ideal customer profiles5 records
HEF Groupe technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
HEF Groupe partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core, acquisition, strategic and major.
- Oak Ridge National Laboratory (ORNL)coreStrategic collaboration between HEF and ORNL to advance industrial additive manufacturing, combining HEF's surface engineering expertise with ORNL's advanced manufacturing research capabilities.
- Vergason Technology, Inc.acquisitionUS-based PVD coating equipment provider acquired by HEF Groupe in March 2025 to strengthen capabilities in automotive, aerospace, medical, and electronics industries. Part of physical vapor deposition market expansion.
- City of Saint-ÉtiennecoreCity of Saint-Étienne provided 12,000 m² facility at Cité Berthiez for hydrogen technology pilot plant, enabling HEF's transition from R&D to industrialization phase for fuel cell bipolar plate coatings.
- MANUTECH USDstrategicPartner in GLACIER project for industrializing femtosecond laser cutting process for optical glass.
- VISIOSHAPEstrategicPartner in GLACIER project alongside HEF and Université Jean Monnet Saint-Étienne.
- Université Jean Monnet Saint-ÉtiennestrategicAcademic partner in GLACIER project for femtosecond laser glass cutting industrialization.
- ThalesmajorCollaboration on Superball project - €800,000 R&D initiative to develop hollow-core solder balls for electronic components. Thales participated as industrial partner alongside IREIS R&D center.
- NicomaticmajorIndustrial partner in Superball project for developing interconnection solder ball technology for electronic components.
- Georges Friedel Laboratory (École des Mines de Saint-Étienne)majorAcademic research partner in Superball R&D project providing materials science expertise and validation.
Scale indicators12 records
Recent moves9 records
Expansion highlights6 records
HEF Groupe competitors and assessment
Company assessmentDirect peers
- Nitrex Metal: North American specialist in nitriding and nitrocarburizing services and equipment. Closest direct competitor in HEF's core liquid nitrocarburizing (CLIN/TUFFTRIDE-equivalent) process technology, with overlapping aerospace and automotive customer segments.
- Bodycote plc: UK-listed global leader in heat treatment and surface treatment services, serving automotive, aerospace, and industrial customers across 20+ countries. Closest publicly traded peer to HEF in terms of service portfolio (nitrocarburizing, PVD, brazing), geographic footprint, and customer mix.
- Wallwork Heat Treatment: UK-based heat treatment and surface engineering service provider serving aerospace, automotive, and medical OEMs. Comparable service-based business model with a similar mix of nitrocarburizing, vacuum heat treatment, and PVD offerings.
- OC Oerlikon: Swiss-listed surface solutions business (Oerlikon Surface Solutions) operating PVD coating equipment, services, and consumables globally. Directly comparable to HEF across PVD technology, optical coatings, and integrated service-plus-equipment offerings.
- CemeCon AG: German manufacturer of PVD and CVD coating systems and provider of coating services for precision tooling and industrial components. Direct competitor in PVD equipment and services, with strong presence in European industrial markets comparable to HEF's footprint.
- IHI Hauzer Techno Coating: Netherlands-based PVD and PACVD coating equipment manufacturer (subsidiary of IHI Group). Direct competitor in physical vapor deposition equipment, particularly relevant to HEF following the Vergason acquisition and HEF's expansion into equipment supply.
Others
- Safran: French aerospace OEM and tier-1 supplier with significant in-house surface treatment capabilities for engine and airframe components. Both customer-adjacent (Thales is also a key French aerospace partner of HEF) and capability-overlapping, making it a relevant reference for aerospace surface treatment economics.
Broad incumbents
- Praxair Surface Technologies (Linde): US-based industrial coatings business (now part of Linde) providing thermal spray, wear-resistant coatings, and surface treatment to aerospace, automotive, and industrial customers. Larger incumbent with broader portfolio and direct overlap with HEF's mobility and aerospace segments.
- Höganäs AB: Swedish metal powder and surface coating solutions company serving automotive, industrial, and energy markets. Comparable in functionalized powders and surface engineering solutions, with broader materials portfolio but overlapping customer base in mobility and industrial segments.
- Nippon Steel Surface Treatment: Japanese steel-major-affiliated surface treatment provider serving automotive and industrial customers. Comparable in nitrocarburizing and surface treatment portfolio, though larger scale and Asia-focused; provides strategic benchmark for HEF's geographic expansion potential.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
HEF Groupe social profiles
Digital presenceHEF Groupe compliance and trust
Trust signalCompliance2 records
HEF Groupe financial estimates
Financial estimateRevenue estimate
Valuation estimate
HEF Groupe leadership team
Management profileNumber of profiles
Profiles4 records
HEF Groupe subsidiaries and ownership
Company hierarchySubsidiaries2 records
HEF Groupe funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
HEF Groupe M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about HEF Groupe
What does HEF Groupe do?
HEF Groupe is a world leader in surface materials engineering, providing end-to-end services from R&D to industrial production. The company offers surface treatments (PVD-PECVD, CLIN liquid nitrocarburizing, femtosecond laser texturing), manufactured components (H-LINER self-lubricating bushings, Superballs solder balls, friction components, functionalized powders), and specialized coatings (CERTESS ELEC FC for hydrogen fuel cells, infrared optical treatments, patterned multispectral filters) for the mobility, construction, defense and aerospace, energy, and medical sectors.
Is HEF Groupe a public or private company?
HEF Groupe is a private company. It is classified as unknown and is currently operating.
When was HEF Groupe founded?
HEF Groupe was founded in 1953. It employs 1,001 to 5,000 people.
Where is HEF Groupe based?
HEF Groupe is headquartered in Bouthéon, France, in the Europe region.
How does HEF Groupe make money?
Three revenue lines are on record. Surface Treatment Services are the primary driver. The others are component Supply and technology Licensing.
Who are HEF Groupe's main competitors?
Direct peers on record are Nitrex Metal, Bodycote plc, Wallwork Heat Treatment, OC Oerlikon, CemeCon AG and IHI Hauzer Techno Coating. Safran is listed as an others. Broad incumbents are Praxair Surface Technologies (Linde), Höganäs AB and Nippon Steel Surface Treatment.
Does HEF Groupe have an API?
No public API is recorded for HEF Groupe.