List of industrial fields:
Plant construction
Drive technology
Apparatus engineering
Manufacture of fittings
Automotive industry
Construction industry
Fastening technology
Brewing
Chemical industry
Electrical industry
Vehicle and trailer construction
Gear manufacturing
Trade
Air Conditioning / Heating / Ventilation
Power stations
Agricultural machinery construction
Mechanical engineering
Petrochemistry
Pharmaceutical industry
Medical technology
Pump manufacturers
Piping
Sanitary engineering
Environmental engineering
Packaging industry
Supply industry … and lots more