WEED's (World Economy, Ecology and Development) mission is to report on the causes behind global poverty and environmental problems and to deliver suitable approaches to tackle these.
WEED is the national partner of the Procura+ Sustainable Procurement Campaign for Germany.

EPTA (Energy, Environment and Local Development) is a environmental company in Greece that provides consulting and engineering services in solid waste, water and wastewater management, energy management and climate protection, air quality monitoring, sustainable development and environmental licensing.
EPTA is the national partner of the Procura+ Sustainable Procurement Campaign for Greece.

Information portal on GPP provided by the UK Environment Department, which contains and overview of UK GPP policy together with a link to the Government Buying Standards (GPP criteria)

The Environmental Agency website presents an overview of GPP in Slovakia and the EU, together with guidance on implementation and the Slovakian National Action Plan on GPP

The Portuguese purchasing body, ANCP, includes environmental criteria in many of its framework contracts. Their website contains an overview of GPP in Portugal, together with the GPP criteria they apply

Czech national criteria for furniture and IT equipment. The criteria are developed and maintained by CENIA, the Czech Information Agency for the Environment

The SPCE is a 4 year project funded by the Higher Education Funding Council for England. The project intends to make demonstrable changes to the ways Higher Education Institutions embed sustainable procurement into their standard procedures, practices and policies.

A guide for public authorities. The purpose is to give information on the purchasing of clothes and textiles including sustainable development's criteria.

This guide provides tools for the public procurement of timber.