Energy is one of the vital and strategic fields in the world. Currently, most of the world's energy is supplied through oil and gas, so investment in the field of oil and gas has taken a significant part of the investment in the energy field. Considering the capacity of the country's reserves as well as the high need for technology along the value chain, oil and gas production and supply, we focused on the two sectors of oil and gas equipment production as well as LNG and liquid helium production, which is one of the oldest in the holding. is considered