Welcome to S. Mark Industries
S Mark group of companies design, fabricate, and commission products for the petrochemical, oil and gas, refinery, and specialty process industries worldwide. Our expertise includes manufacturing pressure vessels, heater treater, heat exchangers, reaction vessels, storage tanks, separators and ancillary equipment serving the aforementioned industries. S. Mark has “U” Stamp Certification by ASME, “R” Stamp by National Board of Boiler and Pressure Vessel Inspectors and ISO 9001:2008 certification. Our work conforms to DGMS/OISD stipulations.