Founded in 1975 by Richard “Moon Su” and Elinora Park, Tedia Company makes ultra-high-purity solvents for scientific and industrial use, supplying them from the laboratory bench to bulk tanker scale. The Fairfield, Ohio manufacturer has spent more than 50 years refining solvents for analytical work, pharmaceuticals and oligonucleotide production, including custom blends and a solvent-recovery program that returns purified material for reuse. Tedia is ISO 9001:2015 certified and remains known for consistent, documented quality across its broad portfolio.
ISO 9001:2015
certification
ASME-certified returnable containers
compliance_program
Alconox, LLCFounded in 1946 after Louis Zisman developed a residue-free glassware cleaner, Alconox, LLC makes American-made detergents for the critical cleaning needs of scientists and engineers. For more than 75 years, it was owned and operated by its founding families, and its products are now distributed in more than 50 countries with technical support for cleaning methods, custom blends and private-label detergents. Alconox is ISO 9001:2015 and ISO 13485:2016 certified and joined TCP Analytical in 2025.WHITE PLAINS, NY
Hydro Service & SuppliesHydro Service & Supplies has built its reputation around high-purity water since beginning as a small service deionization company in 1967. Today, its U.S. manufacturing operation creates custom water systems for demanding laboratory and industrial applications, with engineering and fabrication working together at its Richard David Currin Center for Innovation.GAITHERSBURG, MD
RICCA Chemical CompanyFounded in Arlington, Texas, in 1975 by chemist Dr. Paul J. Ricca, RICCA Chemical Company manufactures ready-to-use laboratory chemicals, analytical solutions and standards, including custom blends made to customer specifications. The company now operates three U.S. manufacturing locations and supports its products with ISO 9001:2015-certified facilities, ISO 17025-accredited laboratories and ISO 17034-accredited reference-material production.POCOMOKE CITY, MD
Aqua Sciences, IncSince 1986, Aqua Sciences, Inc. has custom-designed, built, and serviced pure-water systems for demanding industrial and laboratory processes. Based in Tonawanda, the company combines factory-trained technical staff with a local resin-regeneration plant and fully stocked service trucks available around the clock. Its work serves settings ranging from pharmaceutical and semiconductor operations to hospitals and universities.TONAWANDA, NY