O. I. Corporation, acquired by ITT Corporation in 2010, designs, manufactures, markets, and services products primarily for specialized applications in the analytical instruments markets, including sample preparation, detection, measurement, and monitoring instruments used to analyze chemical compounds. The Company's products include gas chromatography (GC) instruments, GC analyzer systems, organic carbon analyzer systems, water analyzers, flow analysis system, and sample preparation products and systems. The Company sells its products domestically to end users through a direct sales channel and manufacturers' representatives, and internationally through independent manufacturers' representatives and distributors. The Company's customers include various military agencies of the United States government, industrial businesses, semiconductor manufacturers, engineering and consulting firms, municipalities and environmental testing laboratories, and beverage bottlers and chiller-refrigerant companies.