Axens group provides solutions - advanced technologies, top performance catalysts and adsorbents as well as services - for the conversion of oil and biomass to cleaner fuels, the production and purification of major petrochemical intermediates, the chemical recycling of plastics, all natural gas treatment and conversion options along with water treatment and carbon capture. Axens provides all the treatment, purification and drying technologies needed for the production of purified natural gas in onshore and offshore conditions, including the tightest ones required for Liquefied Natural Gas industries. Axens dedicated Sulfur Recovery portfolio provides reliable and flexible solutions to meet the most stringent environmental standards, at minimized capital and operating costs.

Fluor Corporation is building a better world by applying world-class expertise to solve its clients' greatest challenges. Fluor's nearly 23,000 employees provide professional and technical solutions that deliver safe, well-executed, capital-efficient projects to clients around the world. Fluor had revenue of $15.5 billion in 2025 and is ranked 257 among the Fortune 500 companies. With headquarters in Irving, Texas, Fluor has provided engineering, procurement and construction services for more than a century. Our experts at Fluor are experienced in all commercially proven sulphur technologies and have the knowledge to devise optimum solutions that satisfy our clients’ environmental requirements. Fluor’s complete sulphur recovery services include a full range of services from initial feasibility studies through to construction and final start-up. We are a leading provider of sulphur plant technologies with more than 45 years of experience providing reliable, cost-effective solutions worldwide. Fluor started licensing sulphur technology in 2000. Our technologies include advanced Claus sulfur recovery technology, BTEX/Ammonia Destruction technology, hydrogenation/amine Claus tail gas treating technology and patented COPE? (Claus Oxygen Enrichment), an oxygen-enrichment technology for increasing capacity and eliminating the need for expensive new sulphur recovery units (SRUs) and patented D'GAASS? for degassing liquid sulphur making it safer for storage, loading, and transport and patented Oxygen Enriched Claus Carbon Dioxide Recovery Process (OEC2RP) for capturing close to 100 percent of the carbon dioxide in the treated Claus tail gas in Gas Plant facilities. We offer the following services: feasibility studies, technology selection, licensor’s process design package, and EPC, module fabrication, precommissioning, operators training, plant start-up, plant optimization and troubleshooting services working directly with operating companies as well as with engineering and construction firms.

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With over 20 years of global experience, P&P Industries AG provides innovative solutions in waste gas treatment, sulfuric acid technology, precious metal catalysts, and comprehensive engineering services. Our portfolio includes advanced products and fully integrated plant systems, all tailored to meet specific customer requirements. This proven ability to deliver customized and sustainable solutions is a key differentiator. As one of the leading providers in spent sulfuric acid (H2SO4) regeneration, P&P pioneers technologies that enable the efficient recovery and reuse of sulfuric acid. Our profitability-oriented processes allow customers to transform sulfur-containing waste gases or liquids into valuable products, generating clean, SO2-free air while significantly reducing emissions and operating costs. Our success is driven by technical expertise, entrepreneurial spirit, and a strong commitment to advancing ecotechnological solutions - Complexity mastered. Advantage delivered.

Sulfur recovery units must meet increasingly stringent emission regulations and reliability criteria. Wood has advanced knowledge of this complex and unique technology. Wood has extensive experience in process design and operations, providing our customers with industry-leading proprietary information and equipment design. Since the 1970s our technology has been used in all aspects of sulphur recovery and many of the design details we pioneered are still the industry standard today.