The SNCF spends more than EUR 5 billion a year across 5 major areas for itself and also on behalf of RFF. See the inventory...

Maintenance workon rail infrastructure or nearby installations linked to railway operations and buildings:
- Track
- Major structures
- Electrical systems and signalling
- Buildings

Supplies come in all shapes and sizes and are provided by companies that specialise in the rail industry and public services:
- Infrastructure supplies
- Supplies for rolling stock
- Administrative and IT supplies (sales systems, office supplies, furniture)
- Energy (electricity and locomotive fuel)

Rolling stock is a strategic part of the SNCF's purchasing policy because it has a decisive impact on the quality of services and is produced by major manufacturers that specialise in the railway industry:
- Locomotives
- Goods wagons
- Passenger carriages
- High Speed Trains (TGV)
- Other rolling stock
- Improvement and renovation work
- Maintenance
- Component repairs
- Lease of rail rolling stock
- Equipment design and modification
- Engineering, modelling and specialised studies
- Machine tools and specific equipment for rolling stock maintenance

Servicesare continuously expanding to meet the increasingly diverse requirements of our clients, passengers and shippers:
- Cleaning (buildings and rolling stock)
- Security services 9
- Facilities maintenance
- Handling operations
- Cash transportation
- Passenger and goods transportation by road
- Tourist services
- Vehicle sales and rental
- Catering and hotel services
- On-train and in-station services
- Call centres
- Advertising and the purchase of advertising space
- Telecommunication services
- Office, IT and ticket machine maintenance
- High, medium and low voltage energy transmission
- Refuse collection and disposal

Intellectual servicesinclude assistance, advice and consultancy services in the following fields:
- Training
- Accounting and Finance
- Project organisation and management
- IT
- Engineering
- Research
- PR, advertising, sales & marketing