Wastewater Treatment Services Companies

In terms of value, the wastewater treatment services market is estimated to grow from USD 66.53 billion in 2025 to USD 92.74 billion by 2030, at a CAGR of 6.87%.

The primary driver behind the growth of wastewater treatment services is their demand in various industrial and municipal sectors. Wastewater treatment solutions play a vital role in ensuring regulatory compliance with increasingly stringent environmental standards. Widely adopted in both municipal infrastructure and industrial operations, they contribute significantly to improving water quality, enabling water reuse, reducing environmental pollution, and enhancing energy efficiency—key objectives aligned with global sustainability initiatives.

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Leading service providers are responding to this demand by broadening their portfolios and introducing advanced solutions tailored for industrial wastewater challenges. These include the treatment of complex effluents generated by chemical manufacturing, textile production, and food processing facilities. The municipal sector is anticipated to exhibit stable growth, while industries such as pharmaceuticals and power generation are emerging as high-growth markets.

Robust economic development, especially across Asia Pacific, is accelerating investment in wastewater treatment infrastructure. Industrial expansion across developing economies in Asia Pacific and the Middle East is further driving demand, with major corporations spearheading infrastructure upgrades. This industrial surge underscores the increasing strategic importance of wastewater treatment services in supporting sustainable development and environmental stewardship.

The key players profiled in the report include Veolia (France), Xylem Inc. (US), Ecolab Inc. (US), Thermax Limited (India), Solenis (US), Pentair (US), WOG Technologies (India), Golder Associates (Canada), SWA Water Australia (Australia), and Italmatch Chemicals (Italy). These players have adopted various growth strategies such as new technologies, expansions, acquisitions, and product launches to acquire larger shares and strengthen their position in the market.

Veolia is a global leader in the design and management of water, wastewater treatment, and resource recovery services for both municipal authorities and industrial clients. The company operates through three core business segments: Water, Waste, and Energy. Its Water segment delivers end-to-end solutions for the design, construction, operation, maintenance, and modernization of water and wastewater treatment facilities. Veolia offers comprehensive services spanning the collection and distribution of drinking water, wastewater collection, and the development and operation of water and sanitation infrastructure. In September 2024, Veolia introduced a suite of next-generation water and wastewater treatment technologies focused on sustainability, circular resource use, and decarbonization. These innovations are underpinned by proprietary technologies, a robust intellectual property portfolio, and a strategic investment of USD 2.2 billion. This advancement reinforces Veolia’s market leadership, operational efficiency, and long-term growth trajectory.

Xylem Inc., a prominent player in the global water technology sector, specializes in the manufacturing and servicing of engineered solutions for water and wastewater applications. In May 2023, Xylem completed its acquisition of Evoqua Water Technologies Corp., a recognized leader in mission-critical water treatment solutions. This strategic acquisition has created one of the most comprehensive and advanced platforms in the industry, enabling Xylem to address complex water challenges faced by municipalities, industries, and communities worldwide.

The market for wastewater treatment services is highly consolidated, with three major players dominating the market with a 55-60% share. Veolia is the leading player with its wide range of services, including designing, building, maintaining, and upgrading water and wastewater treatment facilities for various industrial applications. Ecolab Inc. enjoys a robust market position with its focus on water, hygiene, and energy technologies and services across the world. Xylem also has strong positions with engineered solutions and robust products such as wastewater pumps, treatment & testing equipment. The other 40-45% of the market is comprised of regional small-scale service providers. Market competition is driven by technological developments in the wastewater treatment services market.

Related Reports:

Wastewater Treatment Services Market by Service Type (Design & Engineering Consulting, Building & Installation, Operation & Process Control, Maintenance & Repair, and Other Service Types), End-Use Industry (Municipal, Industrial (Chemical & Pharma, Oil & Gas, Food, Pulp & Paper, Metal & Mining, Power Generation)), and Region - Global Forecast to 2030