SOGEMA Engineering
SOGEMA Engineering (SEG) designs and manufactures specialized railway maintenance workshop equipment — including underfloor wheel lathes, hydraulic presses, and measuring benches — for national railway operators, metro systems, and rolling stock manufacturers across 40+ countries, operating as a brand of CIM Group.
- Company typePrivate
- Founded1980
- HeadquartersLys-lez Lannoy, France
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What SOGEMA Engineering does
SOGEMA Engineering (SEG), founded in 1980 and headquartered in Lys-lez-Lannoy, France, designs and manufactures specialized equipment for railway maintenance workshops worldwide. The company operates as a brand of CIM Group (Compagnie Internationale de Maintenance) following a 2013 merger, with global reach across more than 40 countries and offices in Europe, Africa, the Americas, and Asia. SEG's product portfolio spans four families: underfloor wheel lathes (RNG20, RNG30, and compact TA20) for wheel reprofiling without axle removal; hydraulic wheel and bogie assembly presses; laser wheelset measuring benches, spring testing presses, and bogie squaring benches for quality control; and depot lifting and handling equipment including jacks, elevated tables, and transfer carts.
The underlying technology integrates mechanical engineering, hydraulics, electrical automation, finite element analysis, industrial computing, and numerical control systems. SEG holds ISO 9001:2015 and ECOVADIS Silver certifications, and claims to offer the only complete range of bogie maintenance machines globally. The company invests in proprietary in-house development, exemplified by the 2025 launch of the RNG30 tandem underfloor wheel lathe capable of reprofiling an entire railway bogie in a single pass (18,000 assembled parts). Complementary product lines include automatic mixed Willison couplers (via LAF) and SUMECA machining services, integrated since 2010.
SEG operates a B2B direct enterprise sales model targeting national railway operators, urban transit authorities (metro and tram), rolling stock manufacturers, and infrastructure contractors. Revenue is generated through custom-engineered capital equipment sales, multi-year installation and commissioning projects, and recurring aftermarket services (maintenance, repair, modernization, spare parts, and technical training). The company participates in major international rail and metro projects through consortiums with Alstom, Thales, TSO, Sofratesa, NGE, and Yapi Merkezi, supplying workshop equipment for flagship deployments including Grand Paris Express L18, Panama Metro Line 2, Metro Santo Domingo, and the Tanzania East Africa railway. Pricing is project-based and bespoke, with no standardized tiers.
SOGEMA Engineering firmographics
Firmographics- Name
- SOGEMA Engineering
- Legal name
- SOGEMA ENGINEERING SAS
- Website
- https://sogema-engineering.com
- Company type
- Private
- Founded year
- 1980
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- SOGEMA Engineering (SEG) designs and manufactures specialized railway maintenance workshop equipment — including underfloor wheel lathes, hydraulic presses, and measuring benches — for national railway operators, metro systems, and rolling stock manufacturers across 40+ countries, operating as a brand of CIM Group.
- Ownership category
- akta.pro rank
SOGEMA Engineering industry classification
Industry- Product category
- Railway Maintenance Workshop Equipment
- NAICS
- All Other Miscellaneous General Purpose Machinery Manufacturing (333998)
- SIC
- Railroad Equipment (3743), Special Industry Machinery (No Metalworking Machinery) (3550)
- akta.pro primary industry
- Bogie/Truck, Wheelset & Bearing Shop Services (Reprofiling, Overhaul) (TLAKAIAD)
- akta.pro secondary industries
- Rail Maintenance-of-Way (MOW) Equipment & Services (Tamping, Grinding, Renewal) (TLAJADAH), Locomotive Maintenance & Overhaul (TLAKAIAA)
Keywords
Where SOGEMA Engineering is headquartered
LocationHeadquarters
- HQ city
- Lys-lez Lannoy
- HQ country
- France
- HQ region
- Europe
Offices11 records
Markets served
SOGEMA Engineering business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Equipment Manufacturing and Sales: Design, manufacture, and sale of railway maintenance workshop equipment including underfloor wheel lathes, hydraulic presses, measuring benches, and lifting/handling equipment. One-time capital equipment sales with installation and commissioning services.
- Maintenance and Support Services: On-site maintenance services present in customer depots for over 35 years. Includes repair, overhaul, modernization, and technical training services.
- Spare Parts: Supply of spare parts and components for railway maintenance equipment
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom equipment solutions - no standardized tiers |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
SOGEMA Engineering product offering
Product offeringCore offering
SOGEMA Engineering (SEG) designs, manufactures, and services a complete range of railway maintenance workshop equipment, including underfloor wheel lathes, hydraulic wheel and bogie presses, laser wheelset measuring benches, and lifting and handling equipment for rail depots. The company combines in-house engineering, custom manufacturing, on-site installation and commissioning, and long-term maintenance services to support national railway operators, metro systems, tram operators, and rolling stock manufacturers worldwide.
Product overview
SOGEMA Engineering (SEG) offers a complete range of railway maintenance workshop equipment organized into four main product families: Assembly (hydraulic wheel presses and bogie assembly presses for mounting/dismounting wheels and bogies), Reprofiling (underfloor wheel lathes including RNG20, RNG30 heavy-duty, and TA20 compact models for wheel reprofiling), Control/Measure (laser wheelset measuring benches, spring testing presses, bogie presses, and squaring benches for quality control), and Lifting & Handling (railway vehicle jacks, elevated tables, motor handling systems, rotating tables, and transfer carts). The company also provides comprehensive services including maintenance, repair, overhaul, modernization, technical expertise, and spare parts. SEG operates as a brand of CIM Group with over 40 years of experience designing and manufacturing equipment for railway maintenance workshops worldwide.
Differentiator
Problem solved
Functional benefit
Products and services
- RNG20 Underfloor Wheel Lathe (Tour en fosse RNG20)
Quantifiable outcome
- Drastically reduces vehicle downtime by enabling wheel reprofiling without dismantling axles
- +2 more outcomes
Companies that use SOGEMA Engineering
Customer profileNamed customers11 records
Segments3 records
Ideal customer profiles3 records
SOGEMA Engineering technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
SOGEMA Engineering partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and major.
- AlstomcoreSEG partners with Alstom within the Grupo de Empresas (GdE) consortium for Panama Metro projects. Alstom supplies rolling stock while SEG provides workshop equipment for train maintenance. Cooperation extends to Grand Paris Express L18 project.
- ThalescorePartnership within EURODOM consortium for Santo Domingo Metro Line 2 and GdE consortium for Panama Metro projects.
- TSOcoreLong-term partnership with TSO in multiple rail projects including Panama Metro Lines 1 & 2, Santo Domingo Metro Line 2, and Ecuador Tramway. TSO handles track laying while SEG provides workshop equipment.
- SofratesacorePartnership within GdE consortium for Panama Metro projects and EURODOM consortium for Santo Domingo.
- NGE ContractingmajorPartnership within ACTN Tranvia Cuenca consortium for Ecuador tramway project.
- TCP RailcoreJoint subsidiary of CIM and TSO in Panama with 500+ workers. Handles track laying, catenary, and depot equipment maintenance for Panama Metro Line 1.
- Yapi MerkezicoreTurkish construction partner for East Africa railway project. SEG supplies RNG30 heavy underfloor wheel lathes for Tanzania depots.
Scale indicators6 records
Recent moves7 records
Expansion highlights4 records
SOGEMA Engineering competitors and assessment
Company assessmentDirect peers
- JcM Group: Netherlands-based manufacturer of wheel lathes, railway lifting jacks, bogie test equipment, and wheelset presses. Overlaps with SOGEMA's full product family (assembly, reprofiling, control/measure, lifting), making it one of the closest full-range direct competitors globally.
- Rafamet: Polish manufacturer of heavy-duty lathes, including the UDA line of underfloor wheel lathes for railway rolling stock. The most direct head-to-head competitor to SOGEMA's RNG20/RNG30 wheel lathes, serving the same operator and depot customer base in Europe, MENA, and CIS markets.
- Simmons Machine Tool Corporation (NREC): US maker of underfloor wheel lathes (now part of National Railway Equipment Co.) serving North American transit authorities and freight railroads. Direct competitor in the underfloor wheel-lathe category, with comparable proprietary repositioning and CNC systems to SOGEMA's RNG series.
- Hegenscheidt-MFD: German specialist in wheelset maintenance machinery, including the long-running Vario and Profile series underfloor wheel lathes. Sells directly to the same European freight and passenger operators SOGEMA targets, and competes for the same heavy-axle rail tenders that the new RNG30 is chasing.
Others
- Bonatrans (GHH-Bonatrans): Czech/European wheelset and axle manufacturer serving freight and passenger rail operators. Not a workshop-equipment competitor, but a partner/adjacent supplier in the same rail wheelset ecosystem that SOGEMA's RNG lathes and presses are built to service.
Emerging players
- Loram Maintenance of Way: US-based rail maintenance equipment and services provider, primarily serving North American freight and transit operators. Shares the same railway operator customer profile as SOGEMA but competes mainly in track-based grinding and inspection rail services rather than rolling-stock workshop equipment.
- Speno International: Swiss rail-maintenance equipment and service specialist known for rail grinding trains and on-track profiling. Addresses a different sub-segment (track maintenance) but is sold into the same national-rail and metro customer base that buys SOGEMA's workshop machinery.
Broad incumbents
- Plasser & Theurer: Austrian global leader in railway maintenance-of-way equipment (tamping, stabilizing, ballast management, on-track milling). Sells to the same national operators and transit authorities but focuses on the track/maintenance-of-way side of the depot, whereas SOGEMA is concentrated on rolling-stock workshop equipment.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights6 records
Customer concentration
SOGEMA Engineering social profiles
Digital presenceSOGEMA Engineering compliance and trust
Trust signalCompliance2 records
SOGEMA Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
SOGEMA Engineering leadership team
Management profileNumber of profiles
SOGEMA Engineering subsidiaries and ownership
Company hierarchySubsidiaries9 records
SOGEMA Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SOGEMA Engineering 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 SOGEMA Engineering
What does SOGEMA Engineering do?
SOGEMA Engineering (SEG) designs, manufactures, and services a complete range of railway maintenance workshop equipment, including underfloor wheel lathes, hydraulic wheel and bogie presses, laser wheelset measuring benches, and lifting and handling equipment for rail depots. The company combines in-house engineering, custom manufacturing, on-site installation and commissioning, and long-term maintenance services to support national railway operators, metro systems, tram operators, and rolling stock manufacturers worldwide.
Is SOGEMA Engineering a public or private company?
SOGEMA Engineering is a private company. It is classified as corporate owned and is currently operating.
When was SOGEMA Engineering founded?
SOGEMA Engineering was founded in 1980. It employs 11 to 50 people.
Where is SOGEMA Engineering based?
SOGEMA Engineering is headquartered in Lys-lez Lannoy, France, in the Europe region.
How does SOGEMA Engineering make money?
Three revenue lines are on record. Equipment Manufacturing and Sales are the primary driver. The others are maintenance and Support Services and spare Parts.
Who are SOGEMA Engineering's main competitors?
Direct peers on record are JcM Group, Rafamet, Simmons Machine Tool Corporation (NREC) and Hegenscheidt-MFD. Bonatrans (GHH-Bonatrans) is listed as an others. Emerging players are Loram Maintenance of Way and Speno International. Plasser & Theurer is listed as a broad incumbent.
Does SOGEMA Engineering have an API?
No public API is recorded for SOGEMA Engineering.
What industry is SOGEMA Engineering in?
SOGEMA Engineering's product category is Railway Maintenance Workshop Equipment. Its primary akta.pro industry code is TLAKAIAD, Bogie/Truck, Wheelset & Bearing Shop Services (Reprofiling, Overhaul), with a secondary code of TLAJADAH, Rail Maintenance-of-Way (MOW) Equipment & Services (Tamping, Grinding, Renewal). Its NAICS code is 333998 and its SIC code is 3743.