Rankings by industry
38 industries, each with the largest and most profitable companies ranked on their latest filed accounts.
Building contractors
Companies constructing buildings or carrying out joinery work.
Software and IT companies
Software development, IT consultancy, software publishing and data processing.
Restaurants
Companies operating restaurants.
Groundworks contractors
Companies carrying out site preparation and groundworks.
Freight hauliers
Companies operating road freight transport.
Car repair shops
Workshops engaged in the repair and maintenance of motor vehicles.
Grocery stores
Stores with a broad range of goods, mainly food, beverages and tobacco.
Medical practices
Companies providing general or specialist medical services.
Accounting firms
Companies providing bookkeeping and accounting services.
Plumbing contractors
Companies carrying out plumbing work.
Hair salons
Companies providing hairdressing and barbering.
Electrical contractors
Companies carrying out electrical installation work.
Car dealerships
Companies whose registered main activity is the retail sale of motor vehicles.
Advertising agencies
Companies operating as advertising agencies.
Clothing stores
Companies retailing clothing.
Law firms
Companies providing legal services.
Dental practices
Companies providing dental services.
Kindergartens
Companies operating kindergartens and pre-primary education.
Architecture firms
Companies providing architectural services.
Painting contractors
Companies carrying out painting and glazing work.
Staffing agencies
Companies supplying temporary labour and HR services.
Cleaning companies
Companies providing building cleaning services.
Hotels
Companies operating hotels.
Sports retailers
Companies retailing sporting goods.
Physiotherapy practices
Companies providing physiotherapy and occupational therapy.
Beauty salons
Companies providing beauty treatment services.
Gyms
Companies operating fitness centres.
Roofing contractors
Companies carrying out roofing work.
Petrol stations
Companies retailing automotive fuel.
Taxi operators
Companies providing on-demand passenger transport with a driver.
Estate agents
Companies providing real-estate agency and brokerage services.
Bakeries
Companies producing bread and fresh pastry.
Furniture stores
Companies retailing furniture.
Psychology practices
Companies providing psychology and psychotherapy services.
Fish farms
Companies farming fish, fry and smolt in sea and brackish water.
Pharmacies
Companies retailing pharmaceutical goods.
Seafood processors
Companies freezing, processing and preserving fish and shellfish.
Breweries
Companies producing beer.
About the figures
Each industry is a hand-picked group of SN2007 activity codes, chosen because it names something readers recognise. The set is not a complete partition of the register.
Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.
These lists show actual registered figures from public sources (the Brønnøysund registers). They are not an assessment of creditworthiness, solidity or suitability as a customer, supplier or investment. Figures are for the most recently reported financial year.