Alphabetical catalogue of branches - M
- Machine tools
- Machine transport (transport of machines)
- Machinery lease
- Machines
- Machines - repairs
- Machines and tools for bakeries
- Machines and tools for butchers
- Magnetic systems
- Mail-order stores and services
- Maintenance men
- Management of industrial facilities and their repairs
- Manager consulting
- Manager courses and schools
- Mangling
- Mangling of linen, ironing, tentering of curtains
- Manicure
- Manicure - studios
- Manufacture of furniture
- Manufacture of mastic
- Manufacture of printing inks
- Manufacture of roller blinds
- Manufacture of tools and instruments
- Manufacture of windows
- Maps
- Marble
- Marionette theatre
- Market and public opinion research
- Marketing - consulting
- Marketing - direct marketing
- Marriage counselling service
- Maskers
- Masons
- Massage equipment
- Massages
- Mastic
- Material protection, corrosion protection
- Maternity fashion
- Mats - manufacture, wholesale
- Mattresses
- Measuring and regulatory technology
- Measuring instruments
- Measuring instruments and tools
- Measuring, measuring instruments
- Meat - production and processing
- Meat products
- Mechanical engineering
- Media
- Mediating services
- Mediation of information
- Medical apparatuses
- Medical consulting
- Medical insurance companies
- Medical laboratories
- Medical rehabilitations, physiotherapy and balneology
- Medical rescue service
- Medical services
- Medical supplies
- Medical supplies, aids and furniture
- Medical technology and equipment
- Medical technology and equipment - wholesale
- Medicinal plants
- Meditation
- Men's clothing
- Men's fashion
- Men's tailor's
- Men's underwear
- Metal constructions
- Metal processing and working
- Metal products
- Metal sheets
- Metal waste - processing
- Metallizing
- Metallurgical materials - sale
- Metallurgy
- Metals
- Metals - surface treatment
- Meteorology
- Microphones
- Midwives
- Military equipment and accessories
- Milk and dairy products
- Mills, mill products
- Mineral waters, potable water
- Minerals and fossils
- Mines
- Minigolf
- Mobile home lease
- Mobile phones
- Modeller's supplies
- Modelling agencies
- Models, agencies
- Mortgages
- Mosquito bars
- Motor boats
- Motor racing clubs
- Motorbikes and accessories
- Motorcycle lease
- Motorcycles, scooters, mopeds
- Motorcycles, scooters, mopeds - repairs
- Mounting works
- Movie rentals and distributions
- Moving box
- Multi-plate roller blinds
- Municipal utilities
- Museums
- Music bands
- Musical agencies
- Musical instruments - repairs
- Musical instruments and accessories
- Musical notes
- Musical production
- Musical studios
- Musicians