Water Stocks: Utilities, Treatment & Infrastructure

Pentair is a water solutions company that makes pumps, filtration systems, pool equipment, and residential and commercial water treatment products. Its portfolio spans water filtration, softening, and movement for homes, businesses, pools, and industrial users, positioning the company as a focused supplier of water management hardware across multiple end markets.

Watts Water Technologies manufactures valves, backflow preventers, drainage products, water heating and flow controls, and treatment and reuse systems used in plumbing, heating, and water quality applications. Its products protect water safety and manage flow across residential, commercial, and municipal buildings, making it a focused water and flow control equipment maker.

Core & Main is a leading distributor of water, wastewater, storm drainage, and fire protection products in the United States, supplying pipes, valves, fittings, meters, hydrants, and related materials to municipalities and contractors. Its business is centered on distributing the components used to build and maintain water and wastewater infrastructure.

Zurn Elkay Water Solutions is a pure-play water management company that makes drinking water products such as filtered bottle-filling stations and fountains, plus valves, drainage, backflow prevention, and flow systems for commercial and institutional buildings. Its product set spans water safety, control, conservation, and delivery within the water equipment segment.

Franklin Electric designs and manufactures water and fuel pumping systems, including submersible motors, pumps, drives, and controls used to move groundwater for residential, agricultural, and municipal supply, plus filtration and treatment equipment. Water pumping and systems make up the majority of its business, positioning it as a focused water movement supplier.

Mueller Water Products makes fire hydrants, valves, pipe fittings, and metering and leak-detection technology used by municipal water systems to distribute and manage drinking water. Its infrastructure products and smart metering tools are installed throughout water distribution networks, making it a focused supplier of water infrastructure and metering hardware.

Badger Meter makes smart water meters, flow measurement instruments, and the cellular and software systems that read them, helping utilities measure consumption, detect leaks, and manage water networks. Water metering and the related data and analytics are the core of the company, positioning it as a focused water measurement provider.

American States Water provides regulated drinking water service to customers in California through its Golden State Water subsidiary, operates a small regulated electric utility, and supplies water and wastewater services on United States military bases through long-term government contracts. Regulated water is the central activity, supplemented by contracted utility operations.

California Water Service Group is a regulated water utility holding company that delivers drinking water and provides wastewater service to communities, primarily in California, with additional operations in Washington, New Mexico, Hawaii, and Texas. It owns wells, treatment facilities, and distribution mains, and recovers approved costs through regulated rates.

H2O America, formerly SJW Group, is a regulated water and wastewater utility that provides water service to customers in California, Texas, Connecticut, and Maine. It owns and operates water-supply, treatment, and distribution infrastructure and invests in pipe and system upgrades across its regulated service territories.

Middlesex Water is a regulated water utility that collects, treats, and distributes drinking water and provides wastewater services to customers in New Jersey and Delaware. It owns treatment plants and distribution systems and earns revenue from regulated rates, making it a small pure-play regional water and wastewater provider.

The York Water Company is the oldest investor-owned water utility in the United States, supplying drinking water and wastewater service to customers in south-central Pennsylvania. It impounds, purifies, and distributes water through company-owned reservoirs, treatment plants, and mains, operating entirely as a regulated water and wastewater utility.

Consolidated Water designs, builds, and operates desalination plants and water-treatment infrastructure, and supplies drinking water to utilities, developers, and government customers, primarily in the Caribbean and the United States. It also manufactures water-treatment products and provides engineering services for water-supply projects.

Artesian Resources is a regulated utility holding company that supplies drinking water and provides wastewater service primarily in Delaware, with additional operations in Maryland and Pennsylvania. Through its Artesian Water subsidiaries it owns wells, treatment plants, and distribution systems, operating as a small regional pure-play water and wastewater utility.

Global Water Resources is a regulated water resource management company operating water, wastewater, and recycled water utilities serving growing communities in the Phoenix metropolitan area of Arizona. Its model emphasizes treating and recycling water for reuse, and it earns regulated rates for water and wastewater service in a water-scarce region.

Ecolab provides water treatment, cleaning, and hygiene products and services to industrial, commercial, and institutional customers worldwide. Its Nalco Water business supplies chemicals, equipment, and digital programs that help facilities reduce, reuse, and treat water in cooling, boiler, and process systems, making industrial water management a major part.

SABESP is a Brazilian water and sanitation utility that provides drinking water collection, treatment, and distribution plus sewage services across the state of Sao Paulo. Its shares trade in the United States as an NYSE-listed American Depositary Receipt, carrying non-US regulatory, currency, and political exposure for holders.

Advanced Drainage Systems manufactures pipe, drainage, and water-management products used for stormwater and onsite wastewater systems. Its high-density polyethylene pipe, retention systems, and septic products serve construction, infrastructure, and agricultural markets, making it a maker of physical water-management and drainage infrastructure.

Essential Utilities is a regulated utility holding company whose Aqua subsidiaries supply drinking water and wastewater service to communities across several states, alongside a regulated natural gas distribution business held under the Peoples brand. Water and wastewater operations are a core segment, with natural gas distribution forming the remainder.

Primo Brands, formed from the combination of Primo Water and BlueTriton, is a North American branded drinking water and water solutions company whose products include bottled water, water dispensers, refill and filtration services, and exchange offerings. Its business is built around supplying, distributing, and treating drinking water for households and businesses.

A.O. Smith manufactures residential and commercial water heaters and boilers along with a growing line of water treatment and filtration products sold in North America, China, and India. Water heating is its largest business and water treatment is an expanding segment, giving it substantial exposure to water within buildings.

Tetra Tech is a consulting and engineering firm with a major water practice, providing design, treatment, modeling, testing, and management services for drinking water, wastewater, stormwater, and water resources to government and commercial clients. Water and environmental work is central to the company, making it a focused water-related services and engineering provider.

Energy Recovery makes pressure exchanger devices that recover and reuse energy in seawater desalination plants, sharply lowering the power needed to produce fresh water through reverse osmosis. Desalination is its core market, and its technology is widely specified in large water plants, making it a focused desalination supplier.

Cadiz owns agricultural land and groundwater resources in the California Mojave Desert and is developing projects to supply, store, and convey water for communities in the region, including pipeline and treatment assets. The company is a small water resource developer whose value rests on its water rights and conveyance plans.

Pure Cycle owns water and wastewater resources, infrastructure, and land in the Denver, Colorado area, and provides water and sewer service to developments while also building and selling residential lots. Its business centers on owning water rights and utility systems and monetizing them as the surrounding region grows.

IDEX is a diversified maker of fluidics, pumps, meters, and dispensing equipment serving many industries, including a Water and Wastewater business that supplies pumps, valves, and pipeline inspection and rehabilitation tools to municipal water utilities. Water is a meaningful end market within a broader portfolio of precision fluid-handling products.

Flowserve makes industrial pumps, valves, seals, and related flow control equipment for energy, chemical, and general industrial customers, including water and wastewater treatment and desalination facilities. Water and desalination applications are one of several end markets for its flow control products, giving the company meaningful but diversified water exposure.

Itron supplies smart meters, sensors, and data management software for electricity, gas, and water utilities, including water metering and leak-detection systems that help utilities monitor consumption and reduce loss. Water is one of three utility end markets it serves, giving it meaningful but diversified exposure to water measurement.

Lindsay Corporation makes irrigation equipment and infrastructure, including center-pivot and mobile irrigation systems that manage water use in agriculture, plus road infrastructure products. Its irrigation technology helps farms apply water efficiently, giving it exposure to agricultural water management within a broader infrastructure business.

Roper Technologies is a diversified technology company that owns software and engineered products businesses, including Neptune Technology Group, a maker of water meters and metering systems for municipal utilities. Water metering is a small part of a company now weighted toward application software, giving it limited but real water exposure.

Graco manufactures pumps and fluid-handling systems used to move and apply paints, coatings, lubricants, and other fluids, with some pump products applied to wastewater and chemical dosing tasks. Its water and wastewater exposure is a minor part of a business focused mainly on industrial fluid transfer and finishing equipment.