Company Brochure


SIGMA specialized inspections, a member of the American Welding Society (AWS), is able to provide all aspects of weld inspection and welder qualifications. Services include the development of welding procedures. Witnessing during welder qualifications and the co-ordination of any mechanical testing.

Both AWS & CSWIP welding inspectors, who are also fully qualified NDT technicians, are available for long term projects and welder qualifications. Full procedures can be run at our Mussafah facility with the addition of third party witnessing through TPI agencies

SIGMA specialized inspections can provide expat personnel for major contracts, British PCN level II & III inspectors for ultrasonic cross-checking or radiographic film reviewer and QA/QC documentation control throughout all aspects of fabrication and construction.

Service Provision

  • Mechanical Welding Inspection
  • Third Party Witnessing of Welder Qualification and Welding Procedure Qualification
  • E & I QC Services
  • Welding Specialists Holding CSWIP, AWS Qualifications
  • Responsible Welding Coordinator (RWC) Services
  • QC Inspection Services [welding/ painting & coating]* Project Resident Inspectors