The Architects' Council of Europe (ACE) is the European organisation representing the architectural profession. Its growing membership consists of the nationally representative regulatory and professional organisations of all European Union (EU) Member States, Accession States, Switzerland and Norway. Through them, it represents the interests of about 480,000 architects and it seeks to influence all areas of EU policy and legislation that have an impact on architectural practice and on the overall quality and sustainability of the built environment.

ARCHI-EUROPE is a network of over 182.000 European registered architect members covering over 30 European countries. The multilingual ARCHI-EUROPE website represents a unique platform where architects coming from all over Europe can meet each other, show their work and projects, discover a full European agenda of international events related to architecture, and take part in international competitions organized by ARCHI-EUROPE, etc. Since 2005, Archi-Europe is also managing a website dedicated to European students in architecture counting already 1.200 schools and 50.000 students.

The Building Performance Institute Europe (BPIE) is dedicated to improving the energy performance of buildings across Europe, and thereby helping to reduce CO2 emissions from the energy used by buildings. Our mission is to support the development of ambitious, yet pragmatic building-related policies and programs at EU and Member State level and to drive their timely and efficient implementation by teaming up with relevant stakeholders from the policy and research community, the building industry and consumer bodies. Created in 2010, BPIE is a not-for-profit organization.

CEPI groups national association representing real estate professionals in the EU and EFTA countries. Its objective is to voice the interests of the real estate sector and professions to the European institutions, improve market knowledge, strengthen working relationships between professionals, and oversee their professional ethics, professional practices and quality of education

COGEN Europe is the European Trade Association for the Promotion of Cogeneration. COGEN Europe’s Membership includes around 100 power companies, power authorities, national cogeneration associations, suppliers, and other organisations involved in cogeneration in 30 countries. Its principal goal is to work towards the wider use of cogeneration in Europe for a sustainable energy future.

Based on the simultaneous production of electricity and thermal energy, cogeneration is an efficient way to deliver heating, cooling and electricity.

Construction21 is a collaborative and multi-specialist network for green building practitioners. This resource centre, supported by the Intelligent Energy Europe programme, covers six European countries from 2012 and all of the EU Member States later on. The six first national platforms and the central platform in English propose a database of the most innovative European green building projects, news and thematic communities about sustainable issues.

EAE is the European Association for External Thermal Insulation Composite Systems. It is a confederation of 13 national ETICS associations with 129 companies and an annual ETICS market of some 130 million m². The purpose of EAE is to promote the use of tried-and-tested external thermal insulation composite systems in old and new buildings throughout Europe. Its tasks include communicating the advantages of ETICS, and promoting a system approach as well as high standards of process quality.

The European Builders Confederation - EBC - is a European professional organisation representing national associations of micro, small and medium-sized enterprises working in the construction sector. Through its national members, EBC represents 2 million construction microenterprises and SMEs. 99.9% of the European construction sector is composed of small and medium-sized companies, which produce 80% of the construction industry's output.

The European Concrete Platform (ECP) is the voice of the concrete industry in Europe. Its membership is comprised of the European associations representing the concrete industry (precast and ready-mix) and its main constituents: cement, aggregates and admixtures. The ECP aims at promoting concrete as the material providing building solutions for sustainable development and sustainable construction. Through its inherent construction qualities such as energy efficiency, durability, fire resistance, thermal performance, comfort and adaptability, concrete offers a unique contribution to the societal, economic and environmental pillars of sustainable construction.

The European Construction Technology Platform (ECTP) was launched by the construction sector to develop new R&D&I strategies to improve competitiveness, meet societal needs and take up environmental challenges. It gathers around 150 member-organizations from the whole supply chain of the Built Environment. ECTP is one of the 38 European Technology Platforms (ETPs) which are industry-led stakeholder fora recognised by the European Commission as key actors in driving innovation, knowledge transfer and European competitiveness. Through its Energy Efficient Buildings Committee, the ECTP works to create business opportunities that deliver energy efficiency in buildings and district concepts, which drastically decrease the energy/resources consumption and reduce CO2 emissions of existing and new buildings in districts and cities.

The European Federation of Engineering Consultancy Associations (EFCA) has member associations in 26 countries, and is the sole European federation representing the engineering and related services industry, which employs one million staff of which the majority are highly skilled in a breadth of disciplines. Engineering consultancies provide €100 billion engineering consulting services per year for about €1.300 billion investments in buildings, infrastructure and industrial complexes.

EGEC, the European Geothermal Energy Council, is a non-profit international organisation founded in 1998 to promote the European geothermal industry and enable its development both in Europe and worldwide, by shaping policy, improving business condition, and driving more research and development. More than 120 members from 28 countries, including developers, equipment manufacturers, electricity providers, national associations, consultants, research centres, geological surveys, and public authorities, make EGEC a unique network, uniting and representing the entire geothermal sector.

ELO – European Landowners’ Organization – aims to promote a sustainable and prosperous countryside through private owners´ activities and family businesses. Engaging various stakeholders, ELO develops policy recommendations and programmes of action. ELO organises interdisciplinary meetings gathering together key actors from the rural sector and policy makers at the local, regional, national and European level. Its ability to do all of this assures ELO its unique position among the think tanks in the agricultural, environmental and rural activities’ sectors.

Energy-Cities is a non-profit organisation of European municipalities, founded in 1990, committed to sustainable energy policies and active in sharing their experience and know-how with their members. The association represents about 1,000 members from 26 Member States of which nearly 200 are individual members. Since 2003, Energy-Cities has been managing the European Display® Campaign (http://www.display-campaign.org), promoting the implementation of the EPBD with emphasis on local communication activities in existing public buildings. Energy-Cities is leading the Covenant of Mayors Office together with other European city networks and a communication agency.

EPE, European Partners for the Environment, is a multi-stakeholder forum bringing together Public Authorities, Companies large and small, Trade Unions, Research Institutes, Environmental Organisations, Consumer and Ethical NGOs, and Civil Society Groups. EPE builds the ground for consensus on sustainability and serves as a catalyst, in Europe and around the world, to achieve into the future a better balance between the environmental, social and economic elements of life. EPE laboratories provide practical guidance on how co-operation among partners produces results that improve the environmental performance of products and processes encouraging their uptake by business and consumers.

EPPA is the "European PVC window Profile and related building products Association". EPPA represents the interests of, on the one hand the PVC window system designers and producers of the rigid PVC window profiles, and on the other hand the designers and producers of the related PVC building products. Related building products refer to all rigid and cellular PVC profiles used for finishing windows, home protection, roofline applications as well as internal and external decoration. EPPA is a sector group of EuPC (European Plastics Converters).

The European Solar Shading Organization (ES-SO) is an umbrella body representing the European solar shading and roller shutter industry, mainly through its national trade associations. ES-SO’s members employ more than 400,000 people, mainly in small and medium sized companies that are active on the local market within the European Union. ES-SO’s objectives are to provide a permanent point of contact between its members and the European authorities and to demonstrate that solar shading can make a substantial contribution to energy savings in buildings. ES-SO is active in a number of the EU’s Intelligent Energy Europe projects where it can demonstrate its technology as part of energy efficient buildings.

The European Solar Thermal Industry Federation (ESTIF) represents over 100 members consisting of manufacturers, service providers and national associations, which together cover 95% of today's solar thermal market. ESTIF's mission is to achieve high priority and acceptance for solar thermal as a key element for sustainable heating and cooling in Europe and, with immediate effect, to work for the implementation of all necessary steps to realise the high potential of solar thermal.

EUFORES (European Forum for Renewable Energy Sources) is a European parliamentary network with Members from all major political groups in the European Parliament as well as in the national EU Member States Parliaments. EUFORES’ core objective is the promotion of renewable energy and energy efficiency in Europe. As an independent and non-profit organisation, EUFORES is a leading promoter of renewable energy and energy efficiency. It organises events and conferences, advises on policy, disseminates up to date information to its members, and promotes beneficial legislation in the related fields.

The European Alliance of Companies for Energy Efficiency in Buildings (EuroACE) was formed by Europe’s leading companies involved with the manufacture, distribution and installation of energy saving goods and services for buildings .  EuroACE members have a total turnover of 140 billion euros and employ some 328,000 people. The mission of EuroACE is to work together with the European institutions to help Europe move towards a more sustainable pattern of energy use in buildings, thereby contributing to the EU's commitments on carbon emission reductions, job creation and energy security.

Euroheat & Power is the international association for district heating and cooling (DHC). Founded in 1954, the organisation has members in over 32 countries, including all existing national district heating associations in the EU. Euroheat & Power promotes the advantages of DHC and related technologies including CHP at European and international level. The organisation also takes part in research, development and demonstration projects concerning district heating and cooling technologies and markets.

EuroWindoor is the umbrella organization of 4 European associations of fenestration and door sector. Created in 1999 to create a functioning market environment for European fenestration and door sector, it is covering 30 national federations in Europe representing the interests of more than 50,000 companies employing around 1 million workers in Europe. It is the adequate representation of the fenestration and door sector in Europe, taking into account the individual responsibility of each member organization. “Fenestration” does include windows and curtain walls as well as accessories, but also installation, glazing and sun screening, etc.

The European Construction Industry Federation (FIEC) represents the interests of construction enterprises, regardless of size, across Europe. Established in 1905, FIEC has grown to include 33 national Member Federations spanning most of the EU, EFTA and including Croatia and Turkey. The Federation promotes the development of sustainable construction; advocates public-private-partnerships where they are beneficial; and advocates the renovation of Europe’s building stock. Such measures will boost energy efficiency, reduce the need for imported energy and create new skilled jobs in construction.

GEFI – Groupement Européen des Fédérations intervenant dans l’Immobilier – EU Real Estate Private Owners, is a non-profit organisation representing national organisations from the EU27, which promotes private property, real estate property, sustainable housing and urban development. GEFI is notably looking for long term solutions on various issues such as housing offer, relation between landlords and tenants, energy savings in buildings, taxation and financial issues.

GLASS FOR EUROPE is the trade association for Europe’s manufacturers of flat glass. Flat glass goes into a variety of end-products such as windows and façades for houses and buildings. Glass products are essential to energy-efficient buildings, houses and transport. Windows containing high-performance glass, such as low-e insulating glass and solar-control glass, help reduce energy consumption. A better use of building glass alone could help reduce Europe’s CO2­ emissions by 100 million tonnes annually.

The Institute for Building Efficiency is an initiative of Johnson
Controls providing information and analysis of technologies, policies,
and practices for efficient, high performance buildings and smart energy
systems around the world. The Institute leverages the company’s 125
years of global experience providing energy efficient solutions for
buildings to support and complement the efforts of non-profit
organizations and industry associations. The Institute focuses on
practical solutions that are innovative, cost-effective and scalable.

ISOPA represents the manufacturers in Europe of aromatic diisocyanates and polyols, the main raw materials for polyurethanes. ISOPA seeks to inform all stakeholders on how polyurethanes play a vital role in promoting energy efficiency through their use as the optimal insulation material as well as in other key applications.

PlasticsEurope is the official voice of the European plastics polymer manufacturers. It has developed close partnerships with sister associations that represent the European plastics manufacturing chain. PlasticsEurope has more more than 100 member companies, producing over 90% of all polymers across the 27 EU member states plus Norway, Switzerland, Croatia and Turkey. PlasticsEurope promotes the positive contributions of plastics by communicating plastics contribution to sustainable development, innovation and quality of life, and by initiating indepth studies and sharing experiences.

PU Europe is the European association representing the polyurethane insulation industry. Its products help to save energy in a wide variety of applications in buildings, district heating, cooling and refrigeration, and industrial systems. PU Europe members have a total turnover of Euro 4 billion and provide 18,000 jobs.

REHVA is the Federation of European Heating, Ventilating and Air-conditioning Associations. It represents 100 000 experts in building services engineering in 28 European countries. REHVA is the leading professional organization in Europe dedicated to the improvement of health, comfort and energy efficiency in all buildings and communities. It encourages the development and application of both energy conservation and renewable energy sources. In these areas, REHVA has a significant impact on national and international strategic planning and research initiatives as well as on the associated educational and training programmes. REHVA´s multilingual HVAC dictionary is available at www.rehvadictionary.eu. REHVA Journal is available at www.rehvajournal.com.

RICS (Royal Institution of Chartered Surveyors) is the largest organisation for professionals in the field of property, land, construction and related environmental issues worldwide. With 91.000 qualified members, it is the leading source of property related knowledge, providing independent and impartial advice to governments and global organisations.

The Smart Cities Information System (SCIS) brings together project developers, cities, institutions, industry and experts from across Europe to exchange data, experience and know-how and to collaborate on the creation of smart cities and an energy-efficient urban environment. Launched with support from the European Commission, SCIS encompasses data collected from ongoing and future smart cities and energy efficiency projects co-funded by the European Union. Focusing on energy, mobility and transport, and ICT, SCIS showcases solutions in the fields of energy-efficiency in buildings, energy system integration, sustainable energy solutions on district level, smart cities and communities, strategic sustainable urban planning.

Tiles and Bricks Europe (TBE) is an international non-profit making association which promotes the interests of the clay brick and roof tile industry in Europe in the fields of industrial, environmental, energy, standardisation and sustainability policies. It provides a forum for its members to exchange information on technical development, sustainable production and emerging issues. TBE is a member of Cerame-Unie, the European ceramic industry association. In its memberships, TBE has national associations and companies from 23 EU Member States plus Croatia, Switzerland and Norway.

The Union of European Historic Houses Associations (UEHHA) is an umbrella organisation for national historic houses associations, promoting the interests of Europe’s privately-owned historic houses, parks and gardens and their contents. The UEHHA is dedicated to the conservation of Europe's great artistic and architectural heritage - its private historic houses, their contents, gardens, parklands and estates which represent about 35% of Europe’s “listed” heritage. Historic houses, numbering about 50.000 major properties from across Europe, form an essential part of its cultural heritage.

The International Union of Property Owners (Union Internationale de la Propriété Immobilière, UIPI-ASBL), is the only international organization representing worldwide the interests of real estate property owners since 1923. Members of UIPI are the national non-profit associations  of  small and medium real estate property, buildings and house owners and the private rented sector (both commercial and residential) of 25 European countries. UIPI  addresses problems such as housing and rentals, taxation, energy savings  in  buildings, property restitution and the defense of  Property Rights as internationally recognized Human Rights.

The Vacuum Insulation Panel Association (VIPA International) is a recently created trade association representing the interests of manufacturers of vacuum insulation panels, as well as the supply chain. Vacuum insulation panels are an ultra-thin, high performing insulation technology which is widely used in appliances such as refrigerators and deep-freezers. Only recently the panels started being used in the buildings sector where they can play a crucial role thanks to their reduced thickness and high thermal performance.