Gas Company (Tanzania) Limited (GASCO) is a subsidiary company of Tanzania Petroleum Development Corporation (TPDC), established in 1985 in accordance with the Companies Ordinance. Since its’ establishment, GASCO remained dormant and could not commence operation and remained as a book company until when it was revived by the TPDC Board of Directors in 2014 to undertake the Operation and Maintenance (O&M) activities for the TPDC’s natural gas infrastructure. GASCO continues to operate and maintain National Natural Gas Infrastructure (NNGI) efficiently and effectively by ensuring the availability of natural gas supply to the downstream customers is maintained at 100%. Furtherance, GASCO has an important role in the midstream and downstream aspects of gas sub-sector in Tanzania, and specifically in supporting TPDC to achieve its objectives as a National Oil Company (NOC).