laying, repair, maintenance, replacement, refurbishment of gas pipeline; repair of roads and paths; construction, repair and maintenance of gas installations; installation, repair and maintenance of gas appliances and instruments

storage of oil and gas; transmission or delivery of oil or gas by means of rail, road, water or pipeline

oil and gas exploration, surveying and prospecting in the nature of well logging and testing; distributorships in the field of oil, gas, gasoline, and natural gas