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National Pipeline Services, LLC (NPS) was founded in 2005 to fulfill a demand for highly qualified, dedicated and honest corrosion and integrity management specialists.  We strive towards professionalism in everything we do; from collecting accurate, repeatable data to producing the finest end products in the Industry.


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Keith Boswell



Is an experienced corrosion engineer with 25 years of experience.  His experience includes; cathodic protection surveys and monitoring, stray current AC and DC interference testing, design and mitigation, cathodic protection groundbed design and installation, External Corrosion Direct Assessment (ECDA) project management and direct pipeline inspection services.  Keith earned a Bachelor of Science Degree in Mechanical Engineering from Michigan Technological University.  He is NACE Cathodic Protection Specialist (CP Level 4).


Darryl Graves



Has more than 26 years of experience in corrosion and cathodic protection field services.  He has extensive corrosion and pipeline experience including the following:  annual survey readings, compiling and reporting data, rectifier installation, rectifier repair and readings, ground bed installation (conventional and distributive), CIS, DCVG, PCM, GPS, soil resistivity testing, soil pH, and stray current interference testing. 


Key Personnel

Meet the rest of our Project Managers here!

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