North American Survey Corporation, NASCORP, is a leading Cathodic Protection Testing and Monitoring Company who has been serving the corrosion industry World Wide since 1990. NASCORP has surveyed over 100,000 miles of pipeline since it's inception. Our work is critical to the integrity and safety of the gathering systems and transmission pipelines of our clients. We provide leading-edge technology and NACE certified, experienced technicians to ensure the most accurate, cost-effective services. Committed to delivering a higher level of quality assurance, NASCORP provides an unrivaled spectrum of capabilities. Survey Types Include: - Test station maintenance/installation - External Corrosion Direct Assessment (ECDA) - Close Interval Survey (CIS) - ACVG/DCVG - Current Attenuation - Cell-to-cell - Depth-to-cover - Soil resistivity - Global Positioning We also supply Corrosion Technicians for: - Annual pipe-to-soil - Bi-monthly rectifier - Installation of RMUs - Coating Inspections NASCORP also provides NACE Certified Technicians for 3rd Party Inspections.