ACO Pty Ltd is the Australian arm of the global ACO Group—an internationally renowned manufacturer and supplier of innovative drainage and infrastructure solutions. Founded in Germany in the 1940s, ACO (an acronym for Ahlmann Company) is a family-owned enterprise with over 5,000 employees and a presence in more than 40 countries across Europe, the Americas, Asia, and Australasia.

ACO revolutionised the drainage industry in the 1960s by pioneering the modular drainage channel and introducing polymer concrete as a high-performance material for water management systems. Today, ACO remains at the forefront of innovation, offering a wide range of engineered solutions for stormwater and surface drainage, internal building drainage, electrical and cable enclosures, and niche architectural applications.

Based in Emu Plains, Sydney, ACO Pty Ltd is committed to the Australian market with a strong focus on local design, manufacturing, and support. Many of its products are made in Australia to meet regional construction standards and climate conditions. The company operates offices and warehouses throughout Australia, South East Asia, and the South Pacific, ensuring responsive service and technical expertise at a local level.

As a market leader, ACO continues to invest in research and development through a global network of competency centres. The company maintains ISO 9001 certification, reflecting its dedication to product quality, innovation, and performance. With a legacy of engineering excellence and a forward-looking approach, ACO delivers world-class drainage and building infrastructure systems trusted by designers, engineers, and contractors worldwide.

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