Our Quality Programs

Graham Corporation maintains compliance with multiple quality programs to consistently meet customer requirements and expectations.  Graham Corporation has been authorized by The American Society of Mechanical Engineers (ASME) and the National Board of Boiler & Pressure Vessel Inspectors while maintaining certification to (ISO) the International Organization for Standardization. Program certificates are as follows:

ISO 9001:2015 Quality Management System
Certificate of Registration Q 921

Boiler & Pressure Vessel Codes Designator  Certificate Number
ASME Section I  S  4660
ASME Section VIII, Div 1  U  79
NBIC-Metallic Repairs & Alternations  R  R-2987
NBIC-NB, ASME Stamp(s)  S, U  NB  


Manufacture License of Special Equipment (P.R. China)
      A1 / A2 Pressure Vessels

Korea Gas Safety (KGS) - Certificate of Manufacture Registration
      Pressure Vessels - Heat Exchangers, Drums

Ontario Professional Engineers Certificate

Graham Quality Manuals are available upon request at Contact Us.