Hydrocarbon gas stream recovery and processing equipment; natural gas stream purification equipment; equipment for reducing waste of energy resources; equipment for reducing air emissions.

Installation, commissioning, decommissioning, repair, and maintenance of gas treatment equipment; performance of normal scheduled servicing, namely, sensor calibration, catalytic or chemical adsorbent media maintenance and replacement, rotating equipment installation and maintenance, programmable logic controlled and human machine interface code activation, valve operation and installation, and installation and verification of digital communication of gas treatment equipment; remote monitoring of gas treatment equipment.