PES

Machines and machine tools for the cutting and forming of materials; Metalworking machine tools; Milling cutters ; Power tools, namely, thread mills; Thread milling cutters

Drilling and pumping of oil; Oil pumping and extraction; Oil well casing, tubing, and drill pipe installation; Pumping crude oil

Oil and gas well treatment; Oil production services; Oil well fracturing

Oil exploration; Oil field exploration; Wirelining for oil wells