Waste management companies

Casella Waste Systems is a company that provides waste management services.

Evoqua Water Technologies (formerly known as Siemens Water Technologies) is a company that provides water and wastewater treatment systems and technologies for industrial, commercial, and municipal markets.

Reworld Holding (formerly known as Covanta) is a company that provides waste management solutions.

Kadant is a company that supplies technologies and engineered systems for industrial processing.

Acea Energia is a company that operates in the multi-utility sector.

Amita Holdings (アミタホールディングス) is a company that provides recycling solutions.

CK Hutchison Holdings is a conglomerate company that provides products and services across logistics, retail, energy infrastructure, connectivity, and investments.

Kodiak Gas Services is a company providing natural gas contract compression services.

Veolia Environnement is a company that provides water, waste, and energy management solutions.

Kajima (鹿島建設株式会社) is a company that provides construction and civil engineering services.

IEA (Infrastructure and Energy Alternatives) is an infrastructure construction company that specializes in energy and heavy civil solutions.

Sodexo (formerly known as Sodexho) is a company that provides food, facilities management, and hospitality solutions.