Construction services in the oil and gas industry, namely, oil, gas, and water pipeline construction and installation, pipeline expansion, repair and maintenance, anomaly work, right-of-way restoration, emergency callouts, hydrostatic testing, hydrostatic testing, hydrovac truck services, directional boring; construction services in the oil refinery industry, namely, fabrication, prefabrication, and assembly, structural steel fabrication and erection, underground utility installation, equipment setting and alignment, site clearing, excavation and backfill, installation of water, sewer and drainage systems, utility routing, fabrication and installation of racks, piping, pumps and other mechanical equipment, equipment foundations, concrete foundation work, scaffolding, pipe demolition; construction services in the oil refinery, oil and gas exploration and production, midstream operations, mining, and petrochemical manufacturing industries, namely, installation of industrial insulation, soft pad design, manufacture, and installation, application of industrial painting and coatings, contour scaffolding design and erection, electrical and steam tracing, asbestos and lead abatement

Welding services, namely, certified welding services (AWS, CWB), R-stamp, U-stamp, and PP-stamp, turnaround work, fabrication, prefabrication, and assembly, structural steel fabrication and erection; fireproofing services for the oil refinery, oil and gas exploration and production, midstream operations, mining, and petrochemical manufacturing industries, namely, fireproofing of structural steel and equipment

Pipeline inspection services, namely, pipeline integrity inspections; ASNT certifications, namely, magnetic particle testing, dye penetrant testing, ultrasonic thickness testing, ultrasonic shear wave testing, ultrasonic phased array testing, live X-ray testing; visual inspection certifications, namely, AWS certified welding inspections, API-570 piping inspection, API-510 pressure vessel inspection, API-653 storage tank inspection