Richard W. K. Chapman

O.I. Corp. designs, manufactures, markets and services analytical, monitoring and sample preparation products. Its principal activities are to design, manufacture, market and service sample preparation, detection, measurement and monitoring instruments used to analyze chemical compounds. OI products include Gas Chromatography Instruments and Systems, Total Organic Carbon Analyzer Systems, Ion Analysis Systems, Sample Preparation Products and Systems and Filtometers. The company was founded in 1963 and is headquartered in College Station, TX.

Eberline Services, Inc. provides radiological and environmental services. The firm offers health physics and radiological control support for radiological characterization and environmental cleanup projects. It also offers planning, performing, and documenting radiological surveys; performing radiation monitoring and mapping radiological contamination services. The company was founded by Anthony N. Saatlou and is headquartered in Albuquerque, NM.

Lionville Laboratory, Inc. provides diagnostic services. The company was founded on September 21, 2001 and is headquartered in Chester, PA.

GlenRose Instruments, Inc., provides radiological services, as well as operates an analytical laboratory network. The firm offers radiological characterization and analysis, hazardous, radiological, and hazardous waste management and health services primarily to the federal government. The company was founded by John N. Hatsopoulos in September 2005 and is headquartered in Waltham, MA.