Maintenance, repair, and installation of machinery and equipment used in industrial facilities; Millwright services, namely, the installation, repair and maintenance of processing, manufacturing and material handling machinery and equipment used in industrial facilities; Maintenance and repair of chemical plants, refineries, power generation equipment and facilities, onshore and offshore oil and gas exploration equipment, turbines, compressors, pipelines, tanks, valves, towers, and post-production machinery and equipment; Repair and maintenance of chemical processing machines and apparatus; Repair and maintenance of metalworking machines and tools; Inspection services in the course of maintenance, repair, and installation of machinery and equipment used in industrial facilities; Providing technical support, namely, technical advice concerning the installation, repair, and maintenance of machinery and equipment used in industrial facilities; Consultancy and information services relating to maintenance, repair, and installation of machinery and equipment used in industrial facilities; Providing online information relating to the maintenance, repair, and installation of machinery and equipment used in industrial facilities; Construction planning; Construction services, namely, construction of industrial machinery stations, pipes, towers, bases, pipelines, compressors, pumps, and metering stations for the oil and gas industry; Maintenance of industrial machinery, pipes, towers, bases, pipelines, compressors, pumps, and metering stations for the oil and gas industry; Construction project management services for construction projects in the oil and gas industry; Leasing of building machinery and construction equipment; Marine construction, namely, installation, maintenance and repair of marine structures, marine equipment, and inspection services in the course of construction of the foregoing; Providing information relating to the repair or maintenance of semiconductor manufacturing machines and systems; Repair and maintenance of machinery for manufacturing semiconductors

Consultation in the field of custom fabrication of machinery and equipment used in industrial facilities; Consultation in the field of custom fabrication of oil and gas industrial machines; Technical consulting related to the manufacturing of oil and gas equipment and machinery; Providing online information relating to the custom fabrication of machinery and equipment used in industrial facilities; Custom fabrication, reconditioning, and refurbishing of machinery and equipment used in industrial facilities; Custom fabrication, reconditioning, and refurbishing of oil and gas equipment and machinery

Technology consultation in the field of industrial engineering projects; Engineering