Pumps for machines, Hydraulic pumps; High-pressure pumps for use in oil or gas well hydraulic fracturing operations; Electric pumps; Shafts for pumps; Sucker rods; Pump diaphragms; Pump control valves; Industrial equipment for extracting oil and gas; Machine parts, namely, bearings and bushings; Oil field equipment, namely, drilling rig mechanical handling machines and devices; Hydraulic power units; Machine tools for extracting oil and gas; Variable speed drives for use with fluid pumping systems; Drilling machines

Oil well Christmas trees in the nature of an assembly of valves, spools, and fittings that control the flow of oil or gas out of a well; Oil and gas well downhole survey and measurement equipment; Pressure relief valves for the oil and gas industry; Scientific instrumentation for measuring oil and gas flow and characteristics; Electrical integrated control systems for use in the field of oil and gas extraction; Flow regulators for oil and gas use; Automatic valves for controlling the flow of oil in pipelines

Oil and gas industrial machine cleaning services; Installation of apparatus for the production of oil; Rental of oil well drilling tools; Installation of oil production apparatus; Technical consulting related to the installation of oil and gas equipment, control systems, and machinery; Inspection, maintenance, and repair of machinery for the production of oil and gas

Custom building of equipment for the extraction of oil and gas; Consultation in the field of custom fabrication of oil and gas industrial machines; Manufacture of machinery for oil and gas extractions, and components therefor, to order and/or specification of others; Manufacturing services for others in the field of replacement parts for equipment in the oil and gas industry; Technical consulting related to the manufacturing of oil and gas equipment, control systems, and machinery; Metalworking; Custom manufacturing of replacement parts for others; Manufacturing services for others in the field of oil and gas machines and components therefor; Technical support services, namely, providing technical advice related to the manufacture of machines, components, and parts thereof, in the oil and gas industry; Custom fabrication and production of oil and gas extraction equipment and parts and components thereof; Consultation in the field of custom fabrication of oil and gas industrial machines

Inspection of oil and gas equipment for quality control purposes; Machine shop services, namely, machining parts for others; Custom design and engineering of oil and gas extraction equipment and parts therefor; Product design and development in the field of oil and gas extraction systems; Consulting in the field of machinery design; Custom design of machinery; Engineering design services; Design for others in the field of machinery; Machine part design services; Consultation in the field of auxiliary design for oil and gas industrial machines; Testing the functionality of apparatus and instruments in the nature of oil and gas equipment