Oil & Gas Pipeline Services Through its connection to Henkels & McCoy Group, HMI has been a leader in pipeline design, permitting, integrity management, and corrosion control for nearly 50 years. Our services help our customers achieve their business goals while ensuring the safety of people and the environment. Our design and permitting services assure safe and reliable installation, and our integrity management services protect against pipeline releases through a combination of quality engineering, inspections, and regular maintenance. Pipeline Integrity Services AC Mitigation Installation Internal Corrosion Assessments Direct Assessments Pipeline Anomaly Inspection, Recoat, and Remediation Cathodic Protection System Installations Pipeline Excavation and Coating Inspection Atmospheric Inspection Corrosion Control Services Cathodic Protection Annual Surveys Cathodic Protection Troubleshooting External Corrosion Direct Assessment (ECDA) Close Interval Surveys (CIS) Direct Current Voltage Gradient (DCVG) Alternating Current Voltage Gradient (ACVG) Construction and Installation of Impressed Current and Sacrificial CP Systems Corrosion Engineering Studies Corrosion Training Services DESIGN, PERMITTING, AND RIGHT-OF-WAY SERVICES Pipeline Route Analysis and Feasibility Horizontal Directional Drill (HDD) Design New Business and Service Line Design Main Extension, Replacement, and System Reinforcement AC Mitigation – System Modeling and Design HCA and Class Location Mapping One Call Monitoring As-Built, Weld Maps, and GIS Mapping State, Municipal, and Environmental Permitting ROW Negotiation and Acquisition Meter and Regulating (M&R) Station and Site Design Cathodic Protection System Design Enterprise Asset Management