Coastal Flow Measurement Companies offers measurement and analytical services throughout the United States and abroad. An independent gas and liquid measurement company, Coastal Flow is headquartered in Houston. Its customers include oil and gas producers, gatherers, processors, pipelines, refineries and petrochemical companies. The company s information services and technologies subsidiary, Flow-Cal is one of the worldwide leaders in software development for measurement data management. With support from its subsidiary, Coastal Flow Measurement Companies offers tools to verify the integrity of its gas and liquid measurement calculations.