Clean Technology companies

Clean Harbors is North America's leading environmental and industrial services company, specializing in hazardous waste disposal, emergency response, and recycl…

Energy services company providing automated tank cleaning, rig cleaning, and water treatment solutions to oil and gas operations in the Gulf of Mexico since 200…

Federal contractor providing environmental cleanup, nuclear operations, waste management, and clean energy services to U.S. government agencies nationwide.

Ascend Elements recycles spent lithium-ion batteries into cathode precursor materials and battery-grade lithium carbonate using patented hydrometallurgical tech…

Zap Energy develops fusion and fission technologies using sheared-flow-stabilized Z-pinch systems to generate carbon-free power at scale.

Signify is the world leader in lighting, delivering energy-efficient LED products, IoT-connected systems and services across 70+ countries.

Phoenix Tailings rebuilds America's rare earth supply chain through vertically integrated processing of tailings into final metal and alloy products for defense…

Solar Energy Solutions is a family-owned, employee-owned (ESOP) solar installer providing EPC services for residential, commercial, and utility photovoltaic and…

Independent asset management and servicing company supporting solar and renewable energy infrastructure across residential and utility-scale projects nationwide…

Major U.S. electric and natural gas utility serving 5.7 million customers across eight states with focus on sustainable energy solutions.

Eagle Creek Renewable Energy acquires, rehabilitates, and operates 85 small hydroelectric facilities across 18 U.S. states, with 690 megawatts of total generati…

Enfinity Global develops and operates solar and wind energy projects across Europe, Asia, and the Americas, managing a 39.3 GW renewable energy portfolio with o…

Trane Technologies develops heating, cooling and refrigeration systems for commercial, residential and transportation sectors, targeting energy optimisation and…

American supplier of enriched uranium fuel and uranium enrichment technology for commercial nuclear reactors and national security purposes.

Solugen produces carbon-negative chemicals from plant-derived feedstocks using its Bioforge manufacturing platform, serving oil and gas, aerospace, agriculture,…

Watts Water Technologies provides safe water solutions and smart, sustainable water technologies for residential and commercial customers globally.

MSR-FSR provides managed engineering services including project staffing, certification testing, equipment engineering, and ultra-high purity cleaning to high-t…

Faith Technologies, Inc. provides electrical planning, engineering, design, and installation services across critical power, renewable energy, data centers, and…

Ecovyst is a global specialty catalysts and services company operating in refining, plastics, and emissions control, with a history dating to 1831.