- Distillation Columns/Fractionators
- Compressors: Centrifugal, Reciprocating, Screw
- Turbo-expanders
- Heat Exchangers: Plate-Fin, Shell & Tube, Double-pipe, Air Coolers, Fired Heaters
- Pumps: Centrifugal, Positive Displacement
- Gas Turbines
- Reactors
- Pipelines
- Process piping