Since Craig Netwig founded it in 1977, King Lee Technologies has built its identity around specialized reverse-osmosis chemistry and more than 45 years of close work with system operators, OEMs, and consulting engineers. The San Diego company develops chemistry to extend membrane life and improve productivity, while its technical staff draws on experience with thousands of challenging water chemistries.
NSF/ANSI 60
OsmonixFounded by equipment-design experts, chemical engineers and chemists, Lancaster-based Osmonix develops and manufactures membrane-treatment chemistry and water-filtration products for industrial purification and separation systems. Its in-house analytical and application labs go beyond product supply, testing membranes and investigating fouling so the team can recommend or design chemistry for a specific operating problem. Osmonix also engineers anti-scalants for demanding oilfield downhole conditions and distributes its U.S.-made products globally.LANCASTER, PA
AP Tech GroupFounded in 1999 by chemist Jim Heimert, West Chester’s AP Tech Group manufactures concentrated solid-chemistry water treatment solutions and related equipment. The company began commercial solid-chemistry manufacturing in 2002 as an alternative to heavy liquid chemicals, and now works with more than 200 water-treatment partners supporting over 20,000 installations worldwide. Its 8,600-square-foot Ohio office and laboratory houses in-house research and quality-control work alongside U.S. manufacturing.WEST CHESTER, OH
Kroff IncFounded in 1988 by water-treatment professionals Keith Kronk and Fred Potthoff, Pittsburgh-based Kroff develops custom chemical and engineering solutions for industrial water, wastewater, and recycling challenges. Its 4,100-square-foot research facility, staffed by doctoral-level scientists, helps the company tailor treatments to each operation rather than rely on one-size-fits-all formulas. Kroff has grown from an early focus on steel into eight companies serving clients in markets around the world, with ISO 9001 certification and an EcoVadis Silver rating reflecting its focus on quality and environmental responsibility.AMBRIDGE, PA
Chemenergy Water Treatment, IncSince 1975, Chemenergy Water Treatment has provided water-treatment programs, chemical engineering and technical support for commercial buildings and industrial facilities. The Albany company began as a boiler-cleaning and treatment business and is now in its third generation of Fleig family leadership, with a distinctive focus on solid encapsulated water-treatment systems alongside ongoing service agreements. Its technicians work with facility operators worldwide to protect water-based equipment and improve plant performance.ALBANY, NY