Asbestos removal; carpentry contractor services; cleaning of buildings; cleaning of commercial premises; construction of facilities, structures, living quarters, utility buildings, and production modules in the oil and gas industry; construction of structures for the production of crude oil; construction of structures for the storage of crude oil; construction project management services in the field of construction of oil and gas facilities; covering, coating, and maintenance of pipelines for oil; construction services, namely, crane, winch truck and rigging services; emergency oil spill clean-up, containment, and collection; facilities maintenance services, namely, building maintenance; hazardous waste disposal services; industrial cleaning services, namely, cleaning of industrial premises, equipment, and machines; installation of insulating materials; installation of oil production apparatus; installation services of building scaffolds, working and building platforms; hazardous waste clean-up services, namely, cleaning of lead and lead based products; machinery installation, maintenance and repair; mechanic services; mobile mechanic services; oil and gas industrial machine cleaning services; oil and gas tie-ins, namely, construction of pipelines to transport oil and gas; oil pipeline construction; oil field services, namely, tank and vessel cleaning and rig cleaning; oil pipeline laying; pipeline construction and maintenance; pipeline insulation removal and repair; preparation and application of protective polyurethane-based coatings; construction project management services; providing oil pipeline laying services; providing maintenance services for oil and gas exploration, drilling and pumping equipment; hazardous waste clean-up services, namely, cleaning of industrial, medical, and engineering devices which contain radioactive materials; repair, maintenance of, and upgrading of drill rigs; repair or maintenance of storage tanks and vessels; road construction; road maintenance services; steam cleaning for equipment used in the oil and gas industry; technical consulting related to the installation of oil and gas equipment, control systems, and machinery; vacuum truck services, namely, cleaning of oil and gas drilling waste products and debris through vacuuming and truck based cleaning of wash rack; vehicle repair and maintenance; building inspection, namely, welding inspection services; cleaning of oil spills; repairing corrosive or leaking pipes through pipelining, namely, coating the inside of the pipe with a durable safe epoxy; construction, maintenance, and construction project management services in the oil and gas fields; lead abatement services, namely, cleaning, removal, and waste disposal of lead and lead based products; lead abatement services, namely, cleaning, removal, and waste disposal of lead and lead based products; machinery maintenance and repair; Installation, repair and maintenance of cathodic protection systems

Assembly of oil and gas industrial machines for others; Custom sheet metal fabrication services for others; Decontamination of hazardous materials; Environmental remediation services, namely, treatment of soil and water; Heat treatment and coating of pressure vessels and pipelines; Metal fabrication and finishing services for others; Environmental remediation services, namely, treatment of oil spills; Sandblasting services; welding; Machine shop services, namely, machining parts for others; Environmental remediation services, namely, treatment of asbestos, lead and radioactive material

technology inspection in the electrical field, namely, inspecting electrical wiring, fixtures, installations and equipment and their conformity with norms, laws, codes, practice and standards; engineering; inspection services, namely, oil pipeline data analysis for oil pipeline pressure testing and leak detection; technology inspection in the field of pressure vessels; providing quality assurance services in the gas and oil industry; providing technology information relating to the oil and gas industry