Diamond Offshore Drilling provides contract drilling services to the energy industry around the globe. The company's fleet enables it to provide services in the floater market on a worldwide basis. The company's contracts to provide offshore drilling services vary in their terms and provisions. The principal markets for the company's offshore contract drilling services are: the Gulf of Mexico, including the U.S., and Mexico; South America, principally offshore Brazil, and Trinidad and Tobago; Australia and Southeast Asia, including Malaysia, Indonesia, Myanmar and Vietnam; Europe, principally offshore the U.K., and Norway; East and West Africa; and the Mediterranean.

Enphase Energy is a global energy technology company. The company designs, develops, manufactures and sells home energy solutions that connect energy generation, energy storage and control and communications management on one platform. The company's semiconductor-based microinverter converts energy at the individual solar module level and, combines with its proprietary networking and software technologies to provide energy monitoring and control. The Enphase Home Energy Solution with IQ consists of four primary components: Enphase microinverters, the AC Battery?, an Envoy gateway, and Enlighten cloud-based software.

First Solar is a provider of photovoltaic (PV) solar energy solutions. The company designs, manufactures and sells PV solar modules with a thin film semiconductor technology, and also develops and sells PV solar power systems that mainly use the modules it manufactures. The company also provides operations and maintenance (O&M) services to system owners. The company's modules segment involves the design, manufacture and sale of cadmium telluride solar modules, which convert sunlight into electricity. The company's second segment is its systems segment, through which it provides power plant solutions, which include project development, engineering, procurement, and construction services and O&M services.

Hannon Armstrong Sustainable Infrastructure Capital focused on solutions that reduce carbon emissions and increase resilience to climate change by providing capital and capabilities to the companies in the energy efficiency, renewable energy and other sustainable infrastructure markets. The company focuses its investment activities primarily on: Behind-The-Meter, which includes distributed building or facility projects; Grid Connected, which projects deploy cleaner energy sources, such as solar and wind to generate power; and Other Sustainable Infrastructure, which includes upgraded transmission or distribution systems, water and storm water infrastructure, seismic retrofits and other projects.

SMA Solar Technology is a holding company. Through its subsidiaries, Co. operates in five divisions: Medium Power Solutions, which distributes inverters, system solutions as well as products used for monitoring PV systems and energy management; Power Plant Solutions, which supplies central inverters and system solutions to PV plants; Service, which provides customers in Germany and abroad with support and after-sales services; Zeversolar, which serves the Chinese photovoltaic market and the budget market (low-price segment) in foreign markets; and Railway Technology, which manufactures converters as individual devices and energy supply systems for railway coaches.

Sunnova Energy International is a residential solar and energy storage service provider. The company offers solar battery storage units, as well as maintenance, monitoring, and management services. The company serves customers in the United States and Northern Mariana Islands.

SunPower is a holding company. Through its subsidiaries, the company is an energy company that delivers solar solutions to residential, commercial, and power plant customers worldwide. The company has two segments: SunPower Energy Services, which refers to sales of solar energy solutions in the North America including direct sales of turn-key engineering, procurement and construction services, and sales to resellers, among other; and SunPower Technologies, which refers to its technology development, worldwide solar panel manufacturing operations, equipment supply to resellers, commercial and residential end-customers outside of North America, and worldwide power plant project development and project sales.

Sunrun is engaged in the design, development, installation, sale, ownership, and maintenance of residential solar energy systems. The company's main solar service offerings are provided through its lease and power purchase agreements, which it refers to as its Customer Agreements. While homeowners have the option to purchase a solar energy system outright from the company, a majority of its customers choose to buy solar as a service through its Customer Agreements. With its solar service offerings, the company installs solar energy systems on its customers' homes and provides them the solar power produced by those systems. In addition, the company monitors, maintains and insures the system during the term of the contract.

West Holdings is a holding company mainly engaged in the green energy business. Co., through its affiliates, operates in four business segments. Renewable Energy segment is engaged in the installation and sale of solar power generation systems and environment-responsive remodeling works. Energy-Saving segment is engaged in the provision of total energy-saving services, and the installation and sale of general housing remodeling works. Electric Power segment is engaged in the generation of power by solar power generation system and the sale of electric power. Maintenance segment is engaged in the operation and maintenance of solar power generation systems and related facilities.