37 SPECIALIZED INSTALLATIONS AND REPAIR SERVICES TO THE HIGH PRESSURE PIPELINE INDUSTRY
40 SPECIALIZED WELDING SERVICES TO THE HIGH PRESSURE PIPELINE INDUSTRY, NAMELY, HOT TAPPING AND PIPELINE PLUGGING
42 TECHNICAL CONSULTING SERVICES TO THE HIGH PRESSURE PIPELINE INDUSTRY, IN THE FIELDS OF HYDROSTATIC TESTING, STRUCTURAL INTEGRITY MANAGEMENT, FACILITIES COMMISSIONING AND RELATED FIELDS