U.S. Environmentally-Friendly

Aqua Metals, Inc. engages in the recycling of lead primarily in the United States.

Azure Power Global Limited, together with its subsidiaries, engages in the development, construction, ownership, operation, maintenance, and management of solar power plants in India.

Quest Resource Holding Corporation, through its subsidiaries, provides solutions for the reuse, recycling, and disposal of various waste streams and recyclables in the United States.

Montrose Environmental Group, Inc. operates as an environmental services company in the United States.

Hydrofarm Holdings Group, Inc. manufactures and distributes controlled environment agriculture equipment and supplies in the United States and Canada.

Montauk Renewables, Inc. focuses on operating as a holding company for Montauk Energy Holdings LLC that operates as a renewable energy company.

Titan International, Inc., together with its subsidiaries, manufactures and sells wheels, tires, and undercarriage systems and components for off-highway vehicles in North America, Europe, Latin America, the Commonwealth of Independent States region, the Middle East, Africa, Russia, and internationally.

CNH Industrial N.V. designs, produces, markets, sells, and finances agricultural and construction equipment, trucks, commercial vehicles, buses, and specialty vehicles in North America, Europe, South America, and internationally.

Heritage-Crystal Clean, Inc., through its subsidiary, Heritage-Crystal Clean, LLC, provides parts cleaning, hazardous and non-hazardous waste, and used oil collection services to small and mid-sized customers in the industrial and vehicle maintenance sectors in the United States and Canada.

Hudson Technologies, Inc. a refrigerant services company, provides solutions to recurring problems within the refrigeration industry primarily in the United States.

Atlantica Sustainable Infrastructure plc acquires, owns, and manages renewable energy, natural gas, transmission and transportation infrastructures, and water assets in the United States, Canada, Mexico, Peru, Chile, Uruguay, Spain, Algeria, and South Africa.

Team, Inc. provides asset performance assurance and optimization solutions in the United States, Canada, Europe, and internationally.

Charah Solutions, Inc. provides environmental and maintenance services to the power generation industry in the United States.

BrightView Holdings, Inc., through its subsidiaries, provides commercial landscaping services in the United States.

Stericycle, Inc., together with its subsidiaries, provides regulated and compliance solutions in the United States, Europe, and internationally.

Waste Connections, Inc. provides waste collection, transfer, disposal, and recycling services in the United States and Canada.

US Ecology, Inc., through its subsidiaries, provides environmental services to commercial and government entities in the United States, Canada, Europe, the Middle East, Africa, Mexico, internationally.

Harsco Corporation provides environmental solutions for industrial and specialty waste streams, and innovative equipment and technology for the rail sector worldwide.

ABM Industries Incorporated provides integrated facility solutions in the United States and internationally.

Covanta Holding Corporation, through its subsidiaries, provides waste and energy services to municipal entities primarily in the United States and internationally.

CECO Environmental Corp. provides industrial air quality and fluid handling systems for the energy, industrial, and other niche markets worldwide.

Sunnova Energy International Inc., together with its subsidiaries, provides residential solar and energy storage services in the United States.

The Toro Company designs, manufactures, and markets professional and residential equipment worldwide.

SP Plus Corporation provides parking management, ground transportation, baggage, and other ancillary services in North America.