Instrument Division: North Region
Baltimore, MD Chicago, IL Chicago, IL (CEMS) Indianapolis, IN Philadelphia, PA Rochester, NY St Louis, MO
Instrument Division: South Region
Atlanta, GA Austin, TX Baton Rouge, LA Houston, TX (West) Deer Park, TX
Instrument Division: West Region
Los Angeles, CA Oakland, CA
Offshore Division
Houston, TX
U.S. Corporate Headquarters
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