| First Infrastructure Capital Advisors LLC | — | — | 0 | |
| First Reserve | — | — | 0 | |
| Florida Gas Transmission Co LLC | — | — | 0 | |
| Fluxys BBL BV | — | — | 0 | |
| Fluxys Belgium | — | — | 0 | |
| Fluxys Europe SA | — | — | 0 | |
| Fluxys Interconnector Ltd | — | — | 0 | |
| Fluxys UK Ltd | — | — | 0 | |
| Focus Energy | — | — | 0 | |
| Fortis BC | — | — | 0 | |
| Fortis Inc | — | — | 0 | |
| Freestone International LLC | — | — | 0 | |
| Fuyang Guozhen Gas Co Ltd | — | — | 0 | |
| GAIL (India) Ltd | — | — | 0 | GAIL Ltd |
| Galp Energia | — | — | 0 | |
| Gansu Gemdale Gas Co Ltd | — | — | 0 | |
| Gansu Investment Natural Gas Co Ltd | — | — | 0 | |
| Gansu Ningzhou Chengtou Energy Development Co Ltd | — | — | 0 | |
| Gas Connect Austria GmbH | — | — | 0 | |
| Gas Pipelines Victoria | — | — | 0 | |
| Gas Plus International | — | — | 0 | Gas Plus SpA |
| Gas RES | — | — | 0 | |
| Gas Transmission Co Ltd (GTCL) | — | — | 0 | |
| Gas Transmission India Private Ltd | — | — | 0 | |
| Gas Transmission System Operator of Ukraine | — | — | 0 | |
| Gasbridge 1 | — | — | 0 | |
| Gasbridge 2 | — | — | 0 | |
| GASCADE Gastransport GmbH | — | — | 0 | |
| Gasdotti Italia S.p.A. | — | — | 0 | |
| Gasgrid Finland Oy | — | — | 0 | |
| GasInvest SA | — | — | 0 | |
| Gasled | — | — | 0 | |
| Gasnor | — | — | 0 | |
| Gasoducto Corredor Norte, SAP.I. de C.V. | — | — | 0 | |
| Gassco | — | — | 0 | |
| Gassco AS | — | — | 0 | |
| Gassled | — | — | 0 | |
| GasT TopCo | — | — | 0 | |
| Gastrans | — | — | 0 | |
| Gastransport Nord GmbH | — | — | 0 | |
| Gasunie BBL BV | — | — | 0 | |
| Gasunie Deutschland | — | — | 0 | |
| Gasunie Deutschland GmbH & Co KG | — | — | 0 | |
| Gasunie Deutschland Transport Services GmbH | — | — | 0 | |
| Gasunie Transport Services | — | — | 0 | |
| Gator Express Pipeline LLC | — | — | 0 | |
| Gaz-System | — | — | 0 | |
| Gaznat | — | — | 0 | |
| Gazoduc SA | — | — | 0 | |
| Gazprom Dobycha Tambey LLC | — | — | 0 | |
| Gazprom International Projects LLC | — | — | 0 | |
| Gazprom Kyrgyzstan | — | — | 0 | |
| Gazprom Neft PJSC | — | — | 0 | |
| GCL-Poly | — | — | 0 | |
| GCL-Poly Oil and Gas (Yantai) Holdings Co Ltd | — | — | 0 | |
| Gemini Carthage Pipeline LLC | — | — | 0 | |
| Gemini Gulf Coast Pipeline LLC | — | — | 0 | |
| General Electric Co | — | — | 0 | |
| General Petroleum Co | — | — | 0 | |
| Genesis | — | — | 0 | |
| Genesis Energy | — | — | 0 | Genesis Energy LP |
| Genser Energy | — | — | 0 | |
| Georgian Oil and Gas Corp | — | — | 0 | Georgian Oil and Gas Corporation JSC |
| GEPetrol | — | — | 0 | |
| Ghana National Gas Co | — | — | 0 | |
| Ghana National Petroleum Co | — | — | 0 | |
| GIC Pte Ltd | — | — | 0 | |
| Gigajoule Group | — | — | 0 | |
| GIGL | — | — | 0 | |
| Glencore | — | — | 0 | Glencore PLC |
| Global Infrastructure Partners | — | — | 0 | |
| Global Partners LP | — | — | 0 | |
| Global Petroleum Corp | — | — | 0 | |
| GNI (UK) | — | — | 0 | |
| Golden Pass Pipeline LLC | — | — | 0 | |
| Göteborgs Stadshus AB | — | — | 0 | |
| Government Holdings Pvt Ltd | — | — | 0 | |
| Government of Angola | — | — | 0 | |
| Government of Argentina | — | — | 0 | |
| Government of Azerbaijan | — | — | 0 | |
| Government of Greece | — | — | 0 | |
| Government of Japan | — | — | 0 | |
| Government of Kenya | — | — | 0 | |
| Government of Kurdistan Region | — | — | 0 | |
| Government of Morocco | — | — | 0 | |
| Government of Oman | — | — | 0 | |
| Government of Pakistan | — | — | 0 | |
| Government of Puerto Rico | — | — | 0 | |
| Government of Russia | — | — | 0 | |
| Government of Sardinia | — | — | 0 | |
| Government of Taiwan | — | — | 0 | |
| Government of Tanzania | — | — | 0 | |
| GRTgaz | — | — | 0 | |
| GRTgaz Deutschland GmbH | — | — | 0 | |
| Grupo Carso SAB de CV | — | — | 0 | |
| Grupo Clisa | — | — | 0 | |
| Guangdong Dapeng LNG Co Ltd | — | — | 0 | |
| Guangdong Energy Group Huizhou Natural Gas Development Co Ltd | — | — | 0 | |
| Guangdong Natural Gas Grid Co Ltd | — | — | 0 | |
| Guangxi Gas Group Co., Ltd. | — | — | 0 | Guangxi Gas Group Co Ltd |
| Guangxi Guangtou Natural Gas Pipe Network Co Ltd | — | — | 0 | |
| Guangxi Guangtou Natural Gas Pipeline Network Co Ltd | — | — | 0 | Guangxi Guangtou Natural Gas Pipeline Network Co., Ltd. |
| Guangxi Natural Gas Pipeline Co Ltd | — | — | 0 | |
| Guardian Holdings | — | — | 0 | Guardian Holdings Ltd |
| Guiyang Oil and Gas Transportation Branch of State Pipe Network Group Southwest Pipeline Co Ltd | — | — | 0 | |
| Guizhou Dongli Energy Investment Co Ltd | — | — | 0 | |
| Guizhou Financial Holding Group Co Ltd (Guizhou Guimin Investment Group Co., Ltd.) | — | — | 0 | |
| Guizhou Kunlun Natural Gas Co Ltd | — | — | 0 | |
| Guizhou Natural Gas Pipeline Network Co Ltd | — | — | 0 | |
| Guizhou Provincial People's Government State-owned Assets Supervision and Administration Commission | — | — | 0 | |
| Guizhou Qiansheng State-Owned Assets Management Co Ltd | — | — | 0 | |
| Guizhou Three Gorges Kaitong Energy Co Ltd | — | — | 0 | |
| Guizhou Wujiang Energy Group Co Ltd | — | — | 0 | |
| Guizhou Wujiang New Energy Development Co Ltd | — | — | 0 | |
| Guizhou Xingyi Sunshine Asset Management Group Co Ltd | — | — | 0 | |
| Gujarat Gas Co Ltd | — | — | 0 | Gujarat Gas Ltd |
| Gujarat State Petroleum Corporation Ltd | — | — | 0 | |
| Gulf Coast Express Pipeline LLC | — | — | 0 | |
| Gunvor Resources | — | — | 0 | |
| Guotong Romeo Holdings Ltd | — | — | 0 | |
| Guoxin Guotong Fund LLP | — | — | 0 | |
| H-Energy | — | — | 0 | |
| H4 Capital Partners | — | — | 0 | |
| Haddington Ventures LLC | — | — | 0 | |
| Hamill Resources Ltd | — | — | 0 | |
| Harbour Energy plc | — | — | 0 | Harbour Energy PLC |
| Hav Energy AS | — | — | 0 | |
| Hav Energy NCS Gas AS | — | — | 0 | |
| HE Terminals Pvt Ltd | — | — | 0 | |
| Hebei Guochu Pipeline Investment Co Ltd | — | — | 0 | |
| Hebei Kunlun Energy Co Ltd | — | — | 0 | |
| Hebei Natural Gas Co Ltd | — | — | 0 | |
| Hebei PetroChina Kunlun Natural Gas Co Ltd | — | — | 0 | |
| Hefei Heran China Resources Gas Co Ltd | — | — | 0 | |
| Heilongjiang Branch of PetroChina Kunlun Gas Co Ltd | — | — | 0 | |
| Heilongjiang Natuial Gas Pipeline Network Co Ltd | — | — | 0 | |
| Helios Investment Partners LLP | — | — | 0 | |
| Hellenic Gas Transmission System Operator SA | — | — | 0 | |
| Helsingborg Energi Holding AB | — | — | 0 | |
| Helsingborgs Stads Förvaltning AB | — | — | 0 | |
| Henan Ancai Energy Co Ltd | — | — | 0 | |
| Henan Gas (Group) Co Ltd | — | — | 0 | |
| Henan Gas Development Co., Ltd. | — | — | 0 | |
| Henan Lantian Gas Co Ltd | — | — | 0 | |
| Henan Natural Gas Pipeline Network Co Ltd | — | — | 0 | |
| Henan Natural Gas Pipeline Network Kaizhou Co Ltd | — | — | 0 | |
| Henan Natural Gas Pipeline Network Puhe Co Ltd | — | — | 0 | |
| Henan Natural Gas Pipeline Network Sanyi Co Ltd | — | — | 0 | |
| Henan Natural Gas Pipeline Network Zhendeng Co Ltd | — | — | 0 | |
| Henan Natural Gas Pipeline Network Zhouzhe Co Ltd | — | — | 0 | |
| Henan Tianlun Gas Pipeline Network Co Ltd | — | — | 0 | |
| Henan Tianrun Pipeline Sales Co Ltd | — | — | 0 | |
| Henan Wuzhou Energy Development Co Ltd | — | — | 0 | |
| Henan Zhongyuan Petroleum and NATURAL Gas Shangqiu Co Ltd | — | — | 0 | |
| Henan Zongheng Gas Pipeline Company | — | — | 0 | |
| Hera Group | — | — | 0 | |
| Hess Corp | — | — | 0 | |
| Hindustan Petroleum | — | — | 0 | Hindustan Petroleum Corp Ltd |
| HitecVision AS | — | — | 0 | |
| Hitecvision Vii LP | — | — | 0 | |
| HMN Naturgas I/S | — | — | 0 | |
| Holdigaz SA | — | — | 0 | |
| Honghe Nengtou Natural Gas Industry Development Co Ltd | — | — | 0 | |
| Hooghly Pipelines Private Limited (HPPL) | — | — | 0 | |
| Howard Energy Partners | — | — | 0 | |
| Huaihe Energy Gas Group Co Ltd | — | — | 0 | Huaihe Energy Gas Group Co.,Ltd. |
| Hubei Guotong Energy Development Co Ltd | — | — | 0 | |
| Hubei Natural Gas Development Co Ltd | — | — | 0 | |
| Hubei Zonglianhuan Energy Investment Co Ltd | — | — | 0 | |
| Hunter Gas Pipeline Pty Ltd | — | — | 0 | |
| Huo Shan Wenergy Gas Co., Ltd. | — | — | 0 | |
| Huolinguole Mintong Natural Gas Co Ltd | — | — | 0 | |
| Iberdrola | — | — | 0 | Iberdrola SA |
| IEnova | — | — | 0 | |
| IGI Poseidon SA | — | — | 0 | |
| Igneo Infrastructure Partners | — | — | 0 | |
| Ignitis Grupe AB | — | — | 0 | |
| IMC Ltd | — | — | 0 | |
| Independent Oil & Gas PLC | — | — | 0 | |
| India Infrastructure Trust | — | — | 0 | |
| Indian Oil Corp | — | — | 0 | Indian Oil Corporation Ltd |
| Indradhanush Gas Grid Ltd (IGGL) | — | — | 0 | |
| INEOS E&P (UK) Ltd | — | — | 0 | |
| Inergy Holdings | — | — | 0 | Inergy LP |
| Infragas Norge AS | — | — | 0 | |
| Inner Mongolia Jufeng Oil and Gas Pipeline Transportation Co Ltd | — | — | 0 | |
| Inner Mongolia Menggaole Intelligent Energy Co Ltd | — | — | 0 | |
| Inner Mongolia Shengneng Beitong Energy Co Ltd | — | — | 0 | |
| Inner Mongolia West Gas Holding Co Ltd | — | — | 0 | |
| Inner Mongolia West Natural Gas Pipeline Operation Co Ltd | — | — | 0 | |
| Inner Mongolia Western Natural Gas Co Ltd | — | — | 0 | |
| Inner Mongolia Xinsheng Natural Gas Pipeline Co Ltd | — | — | 0 | |
| INPEX Idemitsu Norge | — | — | 0 | |
| Instar Asset Management Inc | — | — | 0 | |
| Intensity Infrastructure Partners LLC | — | — | 0 | |
| InterConnect Malta Ltd | — | — | 0 | |
| International Petroleum Corp | — | — | 0 | |
| Interstate Gas Systems | — | — | 0 | |
| Ipiranga Produtos de Petróleo SA | — | — | 0 | |
| Iran Ministry of Petroleum | — | — | 0 | |
| Iraq Ministry of Oil | — | — | 0 | |
| Iroquois Gas Transmission System LP | — | — | 0 | |
| Iroquois Pipeline Co | — | — | 0 | |
| Itaúsa SA | — | — | 0 | |
| Ithaca EF Ltd | — | — | 0 | |
| Ithaca Energy | — | — | 0 | |
| Ithaca SP E&P Ltd | — | — | 0 | |
| ITOCHU Corp | — | — | 0 | |
| J.P. Morgan Investment Management Inc | — | — | 0 | |
| J&F Investimentos SA | — | — | 0 | |
| Jalalabad Gas Transmission and Distribution System Ltd (JGTDSL) | — | — | 0 | Jalalabad Gas Transmission and Distribution System Ltd |
| Japan Petroleum Exploration Co | — | — | 0 | |
| Japanese Pipeline Development & Operation Inc | — | — | 0 | |
| Jemena | — | — | 0 | |
| Jemena Gas Networks (NSW) Ltd | — | — | 0 | |
| Jemena Northern Gas Pipeline Pty Ltd | — | — | 0 | |
| Jiangsu Natural Gas Co Ltd | — | — | 0 | |
| Jiaozuo Zhongneng Natural Gas Development Co Ltd | — | — | 0 | |
| Jieyang PetroChina Kunlun Gas Co Ltd | — | — | 0 | |
| Jilin Energy Group International Pipeline Co Ltd | — | — | 0 | |
| Jilin Jiahong Energy Development Co Ltd | — | — | 0 | |
| Jilin Petroleum Group Co Ltd | — | — | 0 | |
| Jinhong Holding Group Co Ltd | — | — | 0 | |
| Jining PetroChina Kunlun Energy Co Ltd | — | — | 0 | |
| Johnny Hesthammer AS | — | — | 0 | |
| Jordanian Egyptian Fajr Natural Gas Co | — | — | 0 | |
| JPMorgan Infrastructure Investments Fund | — | — | 0 | |
| JSC Conexus Baltic Grid | — | — | 0 | |
| JX Nippon Oil & Gas Exploration | — | — | 0 | |
| K&O Energy Group | — | — | 0 | K&O Energy Group Inc |
| Kaiyang Shida Natural Gas Co Ltd | — | — | 0 | |
| Kalium Lakes Ltd | — | — | 0 | |
| Karnaphuli Gas Distribution Co Ltd (KGDCL) | — | — | 0 | Karnaphuli Gas Distribution Co Ltd |
| KazAzot JSC | — | — | 0 | |
| Keiyo Gas Co Ltd | — | — | 0 | |
| KELAG | — | — | 0 | |
| Kellas Midstream Ltd | — | — | 0 | Kellas Midstream |
| Kenai Beluga Pipeline LLC | — | — | 0 | |
| Kern River Gas Transmission Co | — | — | 0 | |
| Keyera | — | — | 0 | Keyera Corp |
| Kinder Morgan Inc | — | — | 0 | Kinder Morgan |
| Kinetica Partners | — | — | 0 | |
| Kinetik Holdings Inc | — | — | 0 | Kinetik |
| KKR & Co. Inc | — | — | 0 | |
| KKR Global Infrastructure Investors III | — | — | 0 | |
| KPC Pipeline | — | — | 0 | |
| Kraftringen Energi AB | — | — | 0 | |
| Kumul Petroleum (Kroton) Ltd | — | — | 0 | Kumul Petroleum Holdings Ltd |
| Kumul Petroleum Trustee | — | — | 0 | |
| Kurdistan Regional Government | — | — | 0 | |
| Kuwait Investment Authority | — | — | 0 | |
| Kuwait Petroleum Corp | — | — | 0 | |
| Kuwait Projects Company Holding KSCP | — | — | 0 | |
| Kyushu Electric Power Co Inc | — | — | 0 | |
| Latin Exploration SLU | — | — | 0 | |
| Latvijas Gaze | — | — | 0 | |
| Latvijas Gaze AS | — | — | 0 | |
| Letterone Investment Holdings SA | — | — | 0 | |
| Liaoneng (Dandong) Natural Gas Pipeline Co Ltd | — | — | 0 | |
| Liaoning Datang International Fuxin Coal-to-SNG Co Ltd | — | — | 0 | |
| Libyan National Oil Corp | — | — | 0 | |
| Lincang Nengxun Natural Gas Pipeline Co Ltd | — | — | 0 | |
| Linz AG | — | — | 0 | |
| Lixian Huizhi Gas Co Ltd | — | — | 0 | |
| Loews Corp | — | — | 0 | |
| London Group LLP | — | — | 0 | |
| London Oil And Gas Ltd | — | — | 0 | |
| London Power Corporation PLC | — | — | 0 | |
| Lower Valley Energy | — | — | 0 | |
| Luliang Xinshi Energy Co Ltd | — | — | 0 | |
| Lunds Energi AB | — | — | 0 | |
| Luoyang Zongheng Pipeline Gas Co Ltd | — | — | 0 | |
| M Vest AS | — | — | 0 | |
| M Vest Energy | — | — | 0 | |
| Macquarie | — | — | 0 | Macquarie Group Ltd |
| Magnum Development LLC | — | — | 0 | |
| Magnum Energy Midstream Holdings | — | — | 0 | |
| Mahalo JV | — | — | 0 | |
| Managem SA | — | — | 0 | |
| Manitoba Hydro | — | — | 0 | |
| Many Islands Pipe Lines (Canada) Ltd | — | — | 0 | |
| Marathon Oil | — | — | 0 | Marathon Oil Corp |
| MasTec | — | — | 0 | MasTec Inc |
| MDU Resources Group Inc | — | — | 0 | MDU Resources Group |
| MedcoEnergi | — | — | 0 | |
| MER JSC Skopje | — | — | 0 | |
| Mexico Infrastructure Partners | — | — | 0 | |
| Mexico Infrastructure Partners SAPI de CV | — | — | 0 | |
| MGI Enterprises | — | — | 0 | |
| MGI Enterprises US LLC | — | — | 0 | |
| Midcoast Energy LLC | — | — | 0 | |
| Midship Pipeline Co LLC | — | — | 0 | |
| Millennium Pipeline | — | — | 0 | |
| Mineral Resources Development Co Ltd | — | — | 0 | Mineral Resources Development Corp |
| Ministry of Economic Development (Republic of Kosovo) | — | — | 0 | |
| Ministry of Economic Development of Kosovo Republic | — | — | 0 | |
| Ministry of Economy and Finance (Uzbekistan) | — | — | 0 | |
| Ministry of Energy (Ukraine) | — | — | 0 | |
| Ministry of Oil (Iraq) | — | — | 0 | |
| Ministry of Petroleum (Iran) | — | — | 0 | |