Founded in the UK in 1993, A-Gas manages the full lifecycle of refrigerants, recovering, reclaiming and safely destroying gases used in cooling and fire-protection systems. Operating across 15 countries and six continents, the company is distinctive for turning end-of-life refrigerants into reusable resources while also using UN-approved PyroPlas technology for destruction when reuse is no longer possible. A-Gas has pledged to become net zero by 2035.
United Nations Technical and Economic Assessment Panel (TEAP) approval
Compliance program
Verified Carbon Standard (VCS)
Compliance program
Climate Action Reserve
Compliance program
American Carbon Registry
Compliance program
CORSIA
Compliance program
Western Climate Initiative
Compliance program
UNTEAP
Quality certification
National Refrigerants, IncFounded in 1983, National Refrigerants, Inc. is an independent Philadelphia-based company known for distributing refrigerants worldwide while helping customers manage their recovery and reuse. Its reach spans more than 400 authorized distributor locations across the United States, Canada and Europe, with an AHRI-certified laboratory supporting customers in automotive, HVAC and commercial refrigeration.PHILADELPHIA, PA
Johnson MattheyFounded from a single London office in 1817, Johnson Matthey develops and manufactures technologies built around platinum group metals, from automotive emissions-control catalysts to hydrogen fuel-cell components. With more than 200 years of metals chemistry expertise, the company also refines and recycles PGMs at global scale, helping customers reduce emissions and build cleaner energy systems. Johnson Matthey has about 7,000 people across more than 35 locations worldwide.SMITHFIELD, PA
BITZERFounded in 1934, BITZER manufactures refrigeration and air-conditioning technology, with compressor technology at the heart of its work. Headquartered in Sindelfingen, Germany, the group has 4,500 employees, 20 production sites and 74 locations worldwide as of 2025. Its long-running focus on natural refrigerants includes components for ammonia since 1973, hydrocarbons since 1990 and CO₂ since 1998, while its Green Point network and SCHAUFLER Academy extend that expertise into service and training.SYRACUSE, NY
Close the Loop GroupFounded in Melbourne in 2001 as a toner-cartridge recycling business, Close the Loop Group now develops circular solutions that recover materials, refurbish IT assets and produce sustainable packaging. Its distinctive collect-to-create model turns difficult waste streams into usable outputs such as TonerPlas® road additive and rFlex® recycled materials, with operations spanning Australia, the Americas and EMEA. The company holds ISO 9001, ISO 14001 and ISO 45001 certifications and operates under a zero-waste-to-landfill approach.KUNKLETOWN, PA