GAMBICA is the national organisation representing the interests of companies in the instrumentation, control, automation and laboratory technology industry in the UK. The diverse nature of the industry is reflected in the five industry sectors represented by the Association: Industrial Automation, Process Control, Environmental Systems, Test & Measurement & Laboratory Technology.

British Water is the trade association for the water industry supply chain, representing the industry collectively to government, regulators, other institutions, customers and the media.

The Chartered Institution of Wastes Management (CIWM), is the professional body which represents over 7,000 waste professionals working in the sustainable resources and wastes management sectors- predominantly in the UK but also overseas. CIWM sets the professional standards for individuals working in the industry and has various grades of membership determined by education, qualification and experience.

IEEM is the professional body that represents and supports ecologists and environmental managers in the UK, Ireland and abroad. Established in 1991, IEEM has over 4,000 members drawn from local authorities, government agencies, industry, environmental consultancy, teaching/research, and NGOs.

The Institute of Environmental Management and Assessment (IEMA) is the professional membership body for promoting best practice standards in environmental management, auditing and assessment for all industry sectors.

The company was formed in 2001 to reflect the growing role of MEBC in developing business opportunities within the environmental business sector.

The Source Testing Association (STA) is a non-profit making technical trade association which was established in 1995 and has a corporate membership of over 200 companies from process operators, regulators, equipment suppliers and test laboratories.

The Chartered Institute of Environmental Health (CIEH) is a registered charity and the professional voice for environmental health. It sets standards, accredits courses and qualifications for the education of members and other environmental health practitioners.

Working for the public benefit for a clean, green and sustainable world, CIWEM (The Chartered Institution of Water and Environmental Management) is the only independent, chartered professional body and registered charity with an integrated approach to environmental, social and cultural issues.

It aims to provide for the efficient organisation and development of the gas detection, gas analysis and environmental monitoring industry and to enhance the common interests of its members.

The Institution is a charitable organisation which promotes and raises public awareness of environmental science by supporting professional scientists and academics working in this crucial arena. Members of the Institution of Environmental Sciences are high quality professionals, working in a diverse field.

UKSpill Ltd is the legal owner of the trade association known as the UK Spill Association, (UKSpill) which replaced the British Oil Spill Control Association (BOSCA) in 2004 as the national and recognised trade association for the oil spill industry in the United Kingdom. UKSpill Ltd is a not for profit company.