New Jersey Resources Corporation, an energy services holding company, distributes natural gas. The company operates through four segments: Natural Gas Distribution, Clean Energy Ventures, Energy Services, and Storage and Transportation. The Natural Gas Distribution segment offers regulated natural gas utility services to approximately 576,000 customers in Burlington, Middlesex, Monmouth, Morris, Ocean, and Sussex counties in New Jersey; provides capacity and storage management services; and participates in the off-system sales and capacity release markets. The Clean Energy Ventures segment invests in, owns, and operates clean energy projects, including commercial and residential solar installation situated in New Jersey, Rhode Island, New York, Connecticut, Michigan, and Indiana. The Energy Services segment maintains and operates natural gas transportation and storage capacity contracts, as well as provides physical wholesale energy, retail energy and energy management services in the United States and Canada. The Storage and Transportation segment invests in invests in energy-related ventures. It provides heating, ventilation, and cooling services; sales and installation of appliances; offers solar equipment installation, and plumbing repair and installation services; and holds commercial real estate properties. The company was incorporated in 1981 and is headquartered in Wall, New Jersey.

California Resources Corporation operates as an independent oil and natural gas exploration and production, and carbon management company in the United States. The company explores, produces, and markets crude oil, natural gas, and natural gas liquids for marketers, California refineries, and other purchasers that have access to transportation and storage facilities. It also engages in the generation and sale of electricity to the wholesale power market and utility sector; and developing various carbon capture and storage projects in California. The company was incorporated in 2014 and is based in Long Beach, California.

Enerflex Ltd. offers energy infrastructure and energy transition solutions to natural gas markets in North America, Latin America, and the Eastern Hemisphere. The company provides natural gas compression infrastructure, processing, and treated water infrastructure under contract to oil and natural gas customers; power generation rental solutions; custom and standard compression packages for reciprocating and screw compressor applications; re-engineering, re-configuration, and re-packaging of compressors for various field applications; integrated turnkey power generation, gas compression, processing facilities, natural gas compression, processing, and electric power solutions; after-market mechanical services and parts distribution, as well as maintenance solutions to the oil and natural gas industry, operations, and overhaul services; and equipment supply, parts supply, and general asset management. It also designs, engineers, manufactures, constructs, and installs modular natural gas processing equipment, low-carbon solutions, cryogenic systems, electric power solutions, and treated water solutions; and engages in the engineering, design, procurement, project management, and construction services for compression, process, treated water, and power generation equipment, as well as after-market service, parts, and operations and maintenance services for gas compression, processing, and treated water facilities in the region. The company was formerly known as Enerflex Systems Income Fund and changed its name to Enerflex Ltd. in January 2010. Enerflex Ltd. was founded in 1980 and is headquartered in Calgary, Canada.

Natural Gas Services Group, Inc. provides natural gas compression equipment and services to the energy industry in the United States. It engineers and fabricates, operates, rents, and maintains natural gas compressors for oil and natural gas production and plant facilities. It also designs, fabricates, and assembles compressor units for rental or sale; and designs, manufactures, and sells a line of reciprocating natural gas compressor frames, cylinders, and parts. In addition, the company offers flare stacks and related ignition and control devices for the onshore and offshore incineration of gas compounds, such as hydrogen sulfide, carbon dioxide, natural gas, and liquefied petroleum gases. Further, it provides aftermarket services for its compressor and flare sales business; and exchange and rebuild program for small horsepower screw compressors. It markets its products to exploration and production companies that utilize compressor units for artificial lift applications; and oil and natural gas exploration and production companies. Natural Gas Services Group, Inc. was incorporated in 1998 and is headquartered in Midland, Texas.

Stabilis Solutions, Inc., together with its subsidiaries, an energy transition company, provides clean energy production, storage, transportation, and fueling solutions primarily using liquefied natural gas (LNG) to various end markets in North America. The company offers LNG solutions to customers in aerospace, agriculture, energy, industrial, marine bunkering, mining, pipeline, remote power, and utility markets. It also provides engineering and field support services, as well as rents cryogenic equipment. The company was founded in 2013 and is headquartered in Houston, Texas. Stabilis Solutions, Inc. is a subsidiary of LNG Investment Company LLC.

Aemetis, Inc. operates as a renewable natural gas and renewable fuels company. It operates through three segments: California Ethanol, California Dairy Renewable Natural Gas, and India Biodiesel. The company focuses on the operation, acquisition, development, and commercialization of technologies to produce low and negative carbon intensity renewable fuels that replace fossil-based products. In addition, it produces and sells ethanol; and wet distillers grains, distillers corn oil, and condensed distillers solubles to dairies and feedlots as animal feed. Further, the company markets and supplies USP alcohol and hand sanitizer; and produces renewable natural gas, as well as distilled biodiesel from various vegetable oil and animal waste feedstocks. Additionally, it researches and develops conversion technologies using waste feedstocks to produce biofuels and biochemicals. Furthermore, it sells biodiesel primarily to government oil marketing companies. Aemetis, Inc. is headquartered in Cupertino, California.

OPAL Fuels Inc., together with its subsidiaries, engages in the production and distribution of renewable natural gas for use as a vehicle fuel for heavy and medium-duty trucking fleets. It also designs, develops, constructs, operates, and services fueling stations for trucking fleets that use natural gas to displace diesel as transportation fuel. In addition, it offers design, development, and construction services for hydrogen fueling stations. Further, the company engages in the generation and sale of renewable power to utilities. OPAL Fuels Inc. is based in White Plains, New York.

Clean Energy Technologies, Inc. designs, produces, and markets clean energy products and integrated solutions that focuses on energy efficiency and renewable energy in the United States. It operates through four segments: Clean Energy HRS and CETY Europe, CETY Renewables Waste to Energy Solutions, engineering and Manufacturing Business, and CETY HK. The company offers Clean Cycle, which generates electricity by recycling wasted heat produced in manufacturing, waste to energy, and power generation facilities. It also converts waste products created in manufacturing, agriculture, wastewater treatment plants, and other industries to electricity, renewable natural gas, hydrogen, and bio char. In addition, the company offers engineering, consulting, and project management solutions. Further, the company is involved in the sourcing and suppling of liquefied natural gas to industries and municipalities located in the southern part of Sichuan Province and portions of Yunnan Province. The company was formerly known as Probe Manufacturing, Inc. and changed its name to Clean Energy Technologies, Inc. in November 2015. Clean Energy Technologies, Inc. was founded in 1993 and is headquartered in Irvine, California. Clean Energy Technologies, Inc. is a subsidiary of MGW Investment I Ltd.