Kerfoot Technologies works with oil companies and consulting engineers to clean up spills that threaten groundwater. The company is a leader in groundwater remediation and characterization equipment. It uses ozone chemical oxidation equipment to clean the soil and groundwater, while causing minimal site disruption. The company relies on its patented oxidation methods C-Sparge and Perozone to fight common groundwater pollutants. Kerfoot Technologies, formerly known as K-V Associates, became known in the industry for inventing and manufacturing innovative instruments and methods for fast, effective and efficient groundwater and characterization and remediation. Founded in 1978, Kerfoot Technologies maintains operations in Mashpee, Mass.