CMS Research Corporation is a wholly owned subsiduary of OI Corporation (Nasdaq:OICO). The parent company (O.I. Corporation dba OI Analytical), CMS Field Products Group is a public company with its common stock shares traded on the NASDAQ national market system under the symbol OICO. Headquartered in College Station, Texas, OI Analytical is itself a small firm qualified under SBIR size standards. O.I. Corporation designs, manufactures, markets, and supports analytical instruments used for sample preparation, detection, and measurement of chemical compounds. The Company provides the high-quality instruments supported by an ever increasing network of field sales and service, and applications personnel. The firm provide application-specific solutions for the environmental, defense, pharmaceutical, food, beverage, petrochemical, chemical, semiconductor, power generation, and HVAC industries.. Products are used for research and development, quality control, analytical services, and process monitoring. The include Continuous Air Monitoring Systems for chemical warfare agents; Gas Chromatography Systems and components including Purge-and-Trap Sample Introduction and selective detectors; Refrigerant Air Monitors; Total Organic Carbon Analyzers; Automated Chemistry Analyzers; Sample Preparation products including Gel Permeation Chromatography (GPC) and Microwave Digestion; and Beverage Monitors.