Parkway Corporate Limited Parkway Corporate Limited (ASX:PWN) is an Australia-based cleantech company focused on developing and implementing industrial-scale water and wastewater treatment solutions for the energy, mining, industrial and municipal sectors; it operates through four core business units including Parkway Process Solutions, which provides water treatment products such as analytical instruments for measuring treatment parameters, laboratory equipment and consumables, water treatment systems, and services through partnerships with leading global brands; Parkway Process Technologies, which commercializes proprietary technologies like the patented activated Mineral Extraction System (aMES) and integrated Brine Causticisation (iBC) for wastewater processing; Queensland Brine Solutions, which develops brine management infrastructure; and Parkway Ventures, which manages strategic investments. The company, incorporated in 2010 and headquartered at Warehouse 5, 45 Bunnett Street, Sunshine North, Victoria, Australia, primarily serves customers in Australia with plans for international expansion, delivering customized end-to-end solutions across the water treatment lifecycle to enhance sustainability. Recent developments include securing a 10-hectare site in October 2025 under a binding option-to-lease agreement for the Queensland Brine Management Complex (QBMC), a major project to process coal seam gas waste brine into green chemicals with execution potentially starting mid-2026 pending approvals and funding; establishing a up to $4 million Term Loan Facility in June 2024 comprising senior secured debt; awarding additional major contracts in water sector projects and minor contracts to build capabilities; and entering the Deloitte Australia CleanTech (DACT) Index while attracting interest from ESG funds and analysts, alongside a 2024 acquisition of Tankweld to bolster modular water treatment systems.