1. Partnership solutions, maintenance management and productivity
1.1 Partnership and networking
1.2 Maintenance consulting services
1.9 Service contracts
1.14 Contracting deals, for example ore extraction and transportation, tunnel excavation

2. Maintenance services
2.1 Installation and contracting
2.4 Maintenance contracts
2.5 Modernizing, fundamental improvements
2.6 Planning and consulting
2.8 Production efficiency services

4. Maintenance tools
4.7 Equipment rental

5. Equipment, spare parts and accessories
5.6 Pumps
5.7 Fans
5.10 Containers, tanks, silos
5.16 Mining machines: drilling-, charging-, scaling-, supporting-, loading- and transportation equipment/machines, crushing plants, crushers, conveyors, drawing engines, vehicles, sieves, grinder mills, floating equipment, filtering-, thickening- and desiccation equipment

7. Surface treatment and corrosion prevention
7.1 Techniques and procedures
7.2 Equipment and materials
7.3 Surface treatment materials and coatings
7.4 Corrosion prevention and corrosion protection
7.5 Research and consulting

8. Industrial buildings
8.3 Maintenance

9. Water supply
9.1 Analyzing
9.5 Pumps and pump stations
9.6 Barrels, pipeworks and networks

10. Plant area and environmental technology
10.5 Wastewater treatment
10.12 Ground and groundwater protection
10.14 Noise and shaking prevention
10.18 Barrels, pipe work and networks

11. Infrastructure and maintenance of traffic routes
11.2 Harbor structures, dock yards
11.3 Bridges, supporting walls
11.8 Ground, base and rock structures
11.9 Superstructures and surface structures

12. Energy
12.4 Energy conservation
12.5 Maintenance for power plants

15. Research & development & innovations, organizations, education and media
15.2 Research and product development

19. Mining industry equipment and services
19.1 Contracting
19.7 Mine drainage and ventilation
19.11 Maintenance
19.18 Service contracts

20. Ore enriching and processing industry
20.8 Maintenance
20.9 Durable materials

22. Environmental technology
22.6 Soil and groundwater protection
22.8 Noise and vibration control

26. Metal- and machine shop products
26.17 Painting and finishing

28. Rubber and plastic products
28.4 Rubber moulded products and styles
28.5 Rubber coatings
28.7 Rubberising

29. Industrial services
29.1 Maintenance
29.12 Energy efficiency

1. Principal
Voelkel Industrie Producte,V,DE;Saksa

2. Principal
Sponge-Jet Inc.,S,US;Yhdysvallat

3. Principal
Depac,D,LI;Liechtenstein