Group Buying organizations

Job ID: 33904016

Budget: $750 – $1,500 AUD

we would like to know who are the top 10 Group Buying organizations (GPO) within the construction sector, specifically Hardware and building materials in the USA.
Its key to include the Buying Power in terms of dollars (pr year) for those organizations.
By Hardware in mean the tools required for construction e.g. Drillings, welders, hammers, electrical sithces, cables etc. By building materials i mean roofs, trusses, timber, nails, etc.
Related categories: Market Research