6 Wholesalers joined together with their own DNA


AO Johansen

Brødrene A & O Johansen A / S is a Danish-owned company with headquarters in Albertslund. The company was founded in 1914, and in 1963 we were listed. AO was one of the leading wholesalers in the construction industry and have e-commerce platforms for the sale of technical installation material in Denmark, Sweden and Norway.



Grafton Group plc is a publicly quoted distributor of building materials operating in the merchanting markets in the UK, Ireland, the Netherlands and Belgium, in the DIY retailing market in Ireland and in the mortar manufacturing market in Britain.


 Cambielli Edilfriuli

The Cambielli Group is presented in 14 Italian regions and in Eastern Europe with a widespread network of 200 branches; They are strong of a centralized logistics system with 4 warehouses located in strategic points of the peninsula; a range of 800,000 items from the best brands, as well as the passion and expertise of over 2,400 employees and collaborators.



CRH Europe Distribution platform supplies building materials to professional builders, specialist heating and plumbing contractors, and DIY customers through a network of trusted local and regional brands across a number of mature markets in Western Europe.



Onninen delivers products and service packages to contractors, industry, infrastructure building and retail dealers. Onninen has operations in Finland, Sweden, Norway, Estonia, Latvia, Lithuania and Poland.

Onninen is part of the Finnish K Group. Kesko and K-retailers form K Group, the sales (pro forma) of which were approximitely €13 billion in 2018.


Martin Belaysoud

TheGroup exists since 1829. Always controlled and directed by the founding family and with a turnover of 720 million euros in 2018, and a workforce of 1,900 employees.

The Martin Belaysoud group brings together five specialized French subsidiaries by business line and market as well as a Slovak brand. Today, there are 191 sites on the national territory. They are also active in Africa.

Facts & Figures

Please find below the latest Facts & Figures from our members. Most of our members have posted the Annual Reports on the website. Please find the links to the websites of our members below.

NAAM Employees Group
AO Johansen700€ 450 Mio356
Grafton12.500€ 1.000 Mio4629
Onninen3.200€ 1.600 Mio7150
Martin Belaysoud2.400€ 720 Mio2 191 (82)
CRH€ 1.000 Mio3178
Cambielli Edilfriuli2.400€ 650 Mio4200 (92)
Grand Total> 21.000€ 5.420 Mio201.404
Resultaat invoerveld gefilterd uit invoervelden

Hagenweg 3C
4131 LX Vianen
the Netherlands


Phone: +31 (347) 373083