Founded in upstate New York in 1990, XOS makes elemental analysis instruments and X-ray optics for industrial, academic, and OEM use. Its XRF analyzers are especially associated with fast sulfur and chlorine testing in petroleum, biofuels, and sustainable aviation fuel, while its optics have even flown aboard NASA’s Perseverance rover on Mars. XOS is ISO 9001:2015 certified and operates as a Veralto company.
ISO 9001:2015
Cianflone ScientificFounded in Pittsburgh in 1984 by Robert Cianflone, Cianflone Scientific makes portable WDXRF analyzers and related sample-preparation equipment for on-site elemental analysis and coating-thickness measurement. Its U.S.-designed, engineered, and produced instruments serve industrial customers worldwide, with applications ranging from metals and mining to coil-coating quality control. Since 2019, the company has operated as part of KTC Instruments’ family of testing and measurement businesses while continuing to provide calibration, maintenance, and technical support from its Pittsburgh base.PITTSBURGH, PA
Koehler Instrument Company, IncKoehler Instrument Company has made laboratory testing equipment since 1925, with a longstanding specialty in petroleum-related testing. From its New York operations, the company supports research and testing laboratories with instruments, technical expertise, and service for standardized laboratory methods.BOHEMIA, NY
OI AnalyticalOI Analytical, a Xylem brand, designs and manufactures analytical instruments for chemical analysis. Its product portfolio includes total organic carbon analyzers, automated chemistry analyzers, gas chromatography detectors, purge-and-trap concentrators, titration instruments, and life-science biochemistry analyzers for environmental, water, food and beverage, mining, petroleum, chemical, energy, and laboratory applications.EDGEWOOD, MD
Kratos Analytical LtdFrom its Manchester base, Kratos Analytical designs and manufactures scientific instruments for analysing the surface chemistry of materials, with particular expertise in X-ray photoelectron spectroscopy and MALDI-ToF mass spectrometry. The company has more than 50 years of experience in XPS, began manufacturing MALDI-ToF instruments 20 years ago, and continues to build both in Trafford Park alongside its ESCApe data system. A wholly owned subsidiary of Shimadzu Corporation, Kratos employs more than 200 people and supports customers through offices and partners internationally.NANUET, NY