Established in 1985, Huntington Beach’s MP Industries manufactures pool and spa products and equipment, including its automatic water levelers and cleaning tools. The company emphasizes high standards of workmanship and backs its broad line with a focus on quality and service.
Hayward Industries, IncFor a century, Hayward Industries has manufactured equipment and connected technology that keep residential and commercial pools running, from pumps and filters to automation and water-quality systems. Founded in 1925, the company operates globally from its Charlotte headquarters and maintains four U.S. manufacturing facilities, where more than 3.8 million products were made in 2025. Hayward says 87% of its 2025 sales value came from U.S.-manufactured products, while its Omni systems bring remote control and monitoring to the pool and outdoor-living experience.MEDFORD, NY
Cardinal Systems IncFounded in 1976 in a 5,000-square-foot garage, Cardinal Systems Inc. is a family-owned American manufacturer of customizable swimming pool and spa products, with custom fabrication capabilities for other industries. Now operated by the Bradley family’s third generation, the company works from a 350,000-square-foot Schuylkill Haven facility and has grown to more than 340 employees across its divisions. Its manufacturing portfolio includes Cardinal and Fox Pool brands, along with Quaker Plastics and Cardinal Fabrication & Manufacturing.SCHUYLKILL HAVEN, PA
Imperial Pools, IncFounded in 1959 as a small retail pool company, Imperial Pools now manufactures galvanized-steel and polymer inground pool kits, along with pool finishes, steps and related spa products. The Latham, New York company operates a 150,000-square-foot manufacturing and distribution facility and is described as the Northeast’s oldest and largest privately owned manufacturer in its field. Imperial supplies pool professionals through a broad distribution network and backs its manufactured products with a limited lifetime warranty.SHARONVILLE, OH
Aquaquality Pools & Spas, IncAquaquality Pools & Spas is a Westbury pool-supply company that specializes in robotic pool cleaners, replacement parts, and repairs. Its distinctive TOMCAT line is manufactured in-house for Aquabot and Blue Diamond cleaners, giving the company a product-manufacturing role alongside its showroom and service work. The company also provides technical support and affordable rebuilding options for pool owners trying to keep existing equipment running.WESTBURY, NY