35 Advertising, marketing and promotional services, namely, promoting the goods and services of others in the fields of construction, manufacture and service and maintenance of offshore production equipment and drilling rigs, motor barges and specialized vessels, shipbuilding services, dry docking, floating repairs and repairs during crossing, fabrication of stool structures and industrial equipment and facilities and fabrication services, and service contracts related thereto; business administration assistance, business management and business administrative services for others in the fields of construction, manufacture and service and maintenance of offshore production equipment and drilling rigs, motor barges and specialized vessels, shipbuilding services, dry decking, floating repairs and repairs during crossing, fabrication of steel structures and industrial equipment and facilities and fabrication services, and service contracts related thereto; procurement of contracts for businesses, namely, purchasing the goods and services for others in the fields of oil and gas industry; procurement services, namely, purchasing the services of others, namely, subcontracting services in the fields of construction, manufacture and repair of offshore production equipment, drilling rigs, motor barges and specialized vessels, dry docking, float repairs and repairs during crossing, steel manufacturing and industrial equipment manufacturing, repair of facilities, engineering expertise, consulting, consultancy and assistance, design engineering and design drawing and project management; procurement services, namely, procuring of contracts for others in the fields of engineering activities and consulting, consultations and business management assistance all in the fields of oil and gas industry; procurement services, namely, procuring of contracts for others for the purchase of industrial design and technical drawing services; procurement services, namely, procuring of contracts for others for the purchase of materials, namely, steel, metals, plastic and fiber, equipment, namely, equipment used for oil and gas exploitation and production, and products namely, products traded in the oil and gas industry; procurement services, namely, procurement of contracts for others in the fields of the leasing and rental of industrial buildings, installations and offshore and subsea equipment, acquisition of materials, namely, materials used for oil and gas industry equipment, namely, equipment used in offshore and subsea activities and products, namely, products used in offshore and subsea activities; procurement services, namely, procuring of contracts for others related to the supply of materials, equipment and products; inventory control and management for others provided to drilling rigs for the purpose of controlling pipeline equipment in the oil and gas industry; business consulting services relating to product distribution, operations management services, logistics, reverse logistics, and supply chain; administrative services, namely, customs clearance services; billing services in the field of oil and gas industry; business management for others in the fields of business consultancy and billing services; procurement services, namely, procurement for others of contracts with welders, cutters, and fitters; business administration services of engineering business projects, of leasing and rental of construction site installations and offshore and subsea equipment