Quality Assurance Program

In-house operations, effective job management, and third-party inspectors implement our certified Quality Control procedures.

Our QA / QC standards meet and/or exceed specified requirements and assure value for your investment. 

S. P. McCarl & Company is certified for all schedules of welding, under ASME Power Piping stamps. Our firm holds the U, S, and PP stamps from the American Society of Mechanical Engineers, and the R stamp from the National Board of Boiler and Pressure Vessel Inspectors. Our welding procedures are in compliance with B31.1, B31.3 and API 1104.