Messer Group Revenue, Valuation, Funding & Investors

Guangxi Guiguan Electric Power Co Ltd is engaged in the generation and distribution of electricity in China.

HD Hyundai is a diversified industrial group with operations across multiple engineering and manufacturing sectors. The company has six segments: Electrical and Electronics, which produces transformers, high-voltage circuit breakers, switchboards, rotating machines, power control systems, and wind power generators; Construction Equipment, covering construction and industrial transport machinery; Essential Oil, focused on oil refining treatment; Other Sectors, including industrial and display robot manufacturing and investment projects; Ship Service, providing engineering and engine after-sales services; and Joseon Maritime, engaged in shipbuilding, offshore plants, engines, and photovoltaic solutions. It generates the majority of its revenue from the Essential oil segment.

Antero Resources, based in Denver, explores for and produces natural gas and natural gas liquids in the United States and Canada. At the end of 2025, the company reported proven reserves of 19.1 trillion cubic feet of natural gas equivalent. Production averaged approximately 3,442 million cubic feet of equivalent per day in 2025 at a ratio of 35% liquids and 65% natural gas.

AES is a global power company that operates in 15 countries. Its generation portfolio totals over 32 gigawatts, including renewable energy (50%), gas (32%), coal (16%), and oil (2%). AES has majority ownership and operates six electric utilities distributing power to more than 2.5 million customers.

Eneva SA is a Brazilian energy utilities company involved in the generation and distribution of electricity, with complementary businesses in natural gas exploration and production. The company generates electricity through various resources, including coal, natural gas, thermoelectric plants, and renewable energy sources, such as solar energy. Furthermore, the company mines coal in Columbia, operates thermoelectric plants in Chile and Brazil, and extracts natural gas from Brazil. The firm primarily operates through its Power Generation, Energy Trading, Natural Resources, and Corporate segments.

Enlight Renewable Energy Ltd develops, finances, constructs, owns, and operates utility-scale renewable energy projects. The company’s operating segments are the MENA segment, Europe segment, U.S.A segment, and Others. It generates the majority of its revenue from the Europe segment, which produces its revenue from the sale of the electricity that is produced through wind energy and solar energy in Europe.

Zhejiang Zheneng Electric Power Co Ltd is engaged in the thermal power generation business in China. It also provides thermal products, as well as invests in nuclear power.

Antero Midstream Corp is a midstream company that owns, operates, and develops midstream energy assets that service Antero Resources' production and completion activity in the Appalachian Basin, located in West Virginia and Ohio. The company has two operating segments: the Gathering and Processing segment, which includes a network of gathering pipelines and compressor stations that collect and process production from Antero Resources wells in West Virginia and Ohio, and the Water Handling segment, which includes two independent systems that deliver water from sources including the Ohio River, local reservoirs, and several regional waterways. The company derives a majority of its revenue from the Gathering and Processing segment.

Eni Plenitude is a Milan-headquartered energy retailer operating in 10 European countries, generating electricity from 6 GW of renewable capacity including solar farms in Italy and Spain. The company manages 7 million charging points for electric vehicles across highways and urban areas, alongside retail sales of gas and power to residential and business customers.

VoltaGrid is a mobile power generation company deploying natural gas generators for oilfields and events. Bellaire, Texas-headquartered and founded in 2020, it operates a fleet of microturbines emitting lower NOx than traditional units. The firm serves remote energy sites with rapid deployment and remote monitoring capabilities.

Sichuan Chuantou Energy Co Ltd is engaged in the clean energy business. The company operates its businesses through four segments. The Electric Power Business segment focuses on generating electricity through hydropower, wind energy, and photovoltaic sources. The Investment Business segment is involved in equity participation in hydropower facilities, along with activities in asset and investment management. The Manufacturing Industry segment covers production areas such as railway telecontrol systems, construction materials, and automation control equipment for both industrial and power applications. The Service Industry segment encompasses property management offerings and tourism development initiatives.

OQ Exploration and Production, together with its subsidiaries is engaged in identifying, acquiring, managing, and operating interests in petroleum and other related enterprises. The company has three reportable segments as outlined below: Blocks operated by OQEP, Blocks operated by other entities, Corporate and others.

JSW Energy Ltd is an Indian electric utility company and member of the Jindal Group business conglomerate. JSW Energy segments Thermal and Renewables. Thermal: Comprises of generation of power from coal and other thermal sources from plants and Renewables: Comprises of generation of power from renewable energy sources i.e. hydro, wind, solar and related ancillary services. owned and related ancillary services. Geographically, it generates a majority of its revenue from India.

GE Vernova T&D India Ltd is engaged in the business relating to products, projects, and services for electricity transmission and related activities, which has been defined as one business segment. Its businesses are Power, Wind, Electrification, and Accelerators.

Enel Americas SA has electricity generation, transmission, and distribution businesses in Argentina, Brazil, Colombia, Peru, Guatemala, Panama, and Costa Rica. As of December 31, 2021, company had 15,926 MW of net installed generation capacity and approximately 26.2 million distribution customers. The net installed generation capacity is comprised of 248 generation units, of which 42.3% are hydroelectric, 31.4% are thermal, 14.4% are wind, and 11.9% are solar power plants. As of and for the year ended December 31, 2021, company had consolidated assets of U.S$ 34,959 million and operating revenues of U.S$ 16,192 million.

AltaGas Ltd owns and operates a diversified basket of energy infrastructure businesses. Business is conducted through given segments: Midstream, Utilities, and Corporate/other. Midstream business consists of export facilities and locates processing, fractionation, and logistics infrastructure, as well as hydrocarbon storage in North America that connects North American producers from wellhead to offshore export and domestic markets. The utility business is offered through its regulated natural gas utilities - Washington Gas and SEMCO. The business generates revenue from customers in both Canada and the United States, with the majority coming from Canadian customers.

Cepsa is a Spanish integrated energy group that refines crude oil, sells fuels through its own service-station network and manufactures petrochemicals including phenol, acetone and linear alkylbenzene. Refining is concentrated in Andalusia, at Huelva and San Roque, and the group also holds upstream oil and gas interests outside Spain. More recent capital spending has shifted toward renewable hydrogen, biofuels and electric-vehicle charging, and the group adopted the Moeve brand in 2024. Abu Dhabi's Mubadala has been the controlling shareholder since 2011.

Helion Energy is an Everett, Washington-headquartered fusion energy company founded in 2013, advancing toward the first fusion power plant for clean electricity production. It has demonstrated prototypes like Trenta and develops the Polaris project for net electricity generation using magneto-inertial fusion. Helion secures a power purchase agreement with Microsoft for delivery of 50 megawatts of fusion power.