Because good management and efficient operation of the central item stock is important for all parties in the business chain, 2BA has a sector-wide ownership structure with the following shareholders::
Installation companies
The larger 
Techniek Nederland installation companies are represented by the organisations Venturium (TBI, Strukton & ENGIE). The medium-sized installers are represented by the purchasing groups ETIC (Batenburg, Verkerk, Vermeerplein group and Giant Klaver) and Coöperatieve Inkoopvereniging DGC U.A. In addition, Techniek Nederland specifically represesnts the interests of smaller installers.
Wholesalers
More than 90% of the installation wholesalers are represented through ECEG and TGF (the trade associations for electrical engineering and mechanical wholesalers, respectively).
ECEG stands for Elektronische Communicatie Elektrotechnische Groothandel (Electronic Communications Electrical Wholesale). The ECEG members are:
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TGF stands for Technische Groothandelsfederatie or the Dutch trade association for wholesalers of sanitary and central heating products.
The TGF members are:
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Manufacturers
Manufacturers are represented by the FEDET, or the Federation of Electrical Engineering. (Although the ECEG and TGF are administratively also administered by Fedet wholesaler, the manufacturers have their own Supervisory Board member).
