American Chemistry Council (ACC)

American Concrete Institute (ACI)

American Fuel and Petrochemical Manufacturers (AFPM)

American Institute of Chemical Engineers (AIChE)

American Institute of Steel Construction (AISC)

American Iron and Steel Institute's (AISI)

American National Standards Institute (ANSI)

American Petroleum Institute (API)

American Society for Nondestructive Testing, Inc. (ASNT)

American Society of Civil Engineers (ASCE)

American Society Of Mechanical Engineers (ASME)

America's Natural Gas Alliance (ANGA)

Association for Iron & Steel Technology (AIST)

Association for the Advancement of Cost Engineering (AACE)

ASTM International (known until 2001 as the American Society for Testing and Materials)

Berne Convention for the Protection of Literary and Artistic Works

Bureau Ocean Energy Management (BOEM)

Centre for Chemical Process Safety (CCPS)

Chartered Institute of Marketing (CIM)

Chartered Institute of Procurement and Supply (CIPS)

Chicago Mercantile Exchange (CME)

Construction Industry Institute (CII)

Davos (World Economic) Forum

Department of Energy & Climate Change (DECC)

Department of Energy’s (DOE)

Energy Industries Council (EIC)

Federal Energy Regulatory Commission (FERC)

Financial Conduct Authority (FCA)

Food and Agriculture Organization of the United Nations (FAO)

Gas Processors Association (GPA)

General Agreement on Tariffs and Trade (GATT)

General Conference on Weights and Measures (CGPM)

Global Industry Services (GIS)

Global Standards Initiative (GSI)

Gulf Cooperation Council (GCC)

Information Commissioner' Office (ICO)

Institute for Supply Management (ISM)

Institute of Electrical and Electronic Engineers (IEEE)

Institute of Historical Research (IHR)

Institution of Engineering and Technology (IET)

Intercontinental Exchange (ICE)

Intergovernmental Panel on Climate Change (IPCC)

International Air Transportation Association (IATA)

International Astronomical Union (IAU)

International Bureau of Weights and Measures (BIPM)

International Centre for Settlement of Investment Disputes (ICSID)

International Chamber of Commerce (ICC)

International Code of the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IGC Code)

International Committee for Weights and Measures (CIPM)

International Compliance Association (ICA)

International Electrotechnical Commission (IEC)

International Energy Agency (IEA)

International Energy Forum (IEF)

International Gas Union (IGU)

International Maritime Organization (IMO)

International Monetary Fund (IMF)

International Olympic Committee (IOC)

International Organization for Standardization (ISO)

International Petroleum Industry Environmental Conservation Association (IPIECA)

International Register of Certificated Auditors (IRCA)

International Society of Automation (ISA)

International Telecommunication Union (ITU)

International Trade Organization (ITO)

International Union of Pure and Applied Chemistry (IUPAC)

Investor-State Dispute Settlement (ISDS)

ISACA (Previously known as the Information Systems Audit and Control Association)

Istituto Affari Internazionali (IAI)

Laser Interferometer Gravitational-Wave Observatory (LIGO)

LIGO Scientific Collaboration (LSC)

NACE (formerly known as the National Association of Corrosion Engineers)

National Electric Code (NEC)

National Electrical Manufacturers Association (NEMA)

National Fire Protection Association (NFPA)

National Institute of Standards and Technology (NIST)

National Oceanic and Atmospheric Administration (NOAA)

Natural Gas Supply Association (NGSA)

New York Mercantile Exchange (NYMEX)

New York Stock Exchange (NYSE)

NOAA’s National Centres for Environmental Information (NCEI)

Non-Governmental Organization (NGO)

North American Free Trade Agreement (NAFTA)

Occupational Safety and Health Administration (OSHA)

Organization for Economic Cooperation and Development (OECD)

Organization of the Petroleum Exporting Countries (OPEC)

Petroleum Administration for Defence District (PADD)

Pressure Equipment Directive (PED)

PRINCE2 (an acronym for PRojects IN Controlled Environments)

Project Management Institute (PMI)

Prudential Regulation Authority (PRA)

Public Health Emergencies of International Concern (PHEIC)

Regional Comprehensive Economic Partnership (RCEP)

Society of Petroleum Engineers (SPE)

The European Union (EU)

The International Federation of Red Cross and Red Crescent Societies (IFRC)

The International Renewable Energy Agency (IRENA)

Tubular Exchanger Manufacturers Association, Inc. (TEMA)

U.S. Department of Energy’s (DOE) Office of Environmental Management (EM)

U.S. Department of Health & Human Services (HHS)

U.S. Energy Information Administration (EIA)

U.S. Postal Service (USPS)

U.S. Trade Representative (USTR)

United Nations (UN)

United Nations Educational, Scientific and Cultural Organization (UNESCO)

United Nations Environment Programme (UNEP)

United Nations Industrial Development Organization (UNIDO)

United States Geological Survey (USGS)

Universal Copyright Convention (UCC)

US Environmental Protection Agency (EPA)

World Energy Council (WEC)

World Health Organization (WHO)

World Intellectual Property Organisation (WIPO)

World Meteorological Organization (WMO)

World Petroleum Council (WPC)

World Trade Organization (WTO)