: ▁B BB + ▁( neg )). ▁The ▁company ▁was ▁listed ▁in ▁January ▁ 2 0 1 3 ▁and ▁is ▁a ▁closed ▁end ▁mut ual ▁fund ▁with ▁a ▁lif es pan ▁of ▁approximately ▁ 2 0 ▁years . ▁ ▁The ▁energy ▁sector ▁of ▁Tr in idad ▁and ▁Tob ago , ▁which ▁is ▁the ▁main ▁driver ▁of ▁the ▁economy ▁and ▁the ▁major ▁source ▁of ▁re venue ▁for ▁the ▁country , ▁is ▁poor ly ▁represented ▁on ▁the ▁T T SE , ▁with ▁only ▁the ▁minor ▁oil ▁company , ▁Mor aven ▁Hold ings ▁( MO V ) ▁and ▁National ▁Enter pr ises ▁( N EL ) ▁offering ▁any ▁access ▁to ▁the ▁local ▁energy ▁market . ▁The ▁listing ▁of ▁T T N GL ▁provided ▁some ▁opportunity ▁to ▁buy ▁into ▁the ▁local ▁energy ▁market ▁but ▁significant ▁companies ▁such ▁as ▁Pet role um ▁Company ▁of ▁Tr in idad ▁and ▁Tob ago ▁( P etro tr in ) ▁and ▁National ▁Pet role um ▁Mark eting ▁Company ▁( NP ) ▁still ▁remain ▁entirely ▁owned ▁by ▁the ▁state . ▁N EL ▁is ▁a ▁government ▁holding ▁company ▁which ▁holds ▁the ▁state ▁owned ▁shares ▁of ▁the ▁National ▁Gas ▁Company ▁of ▁Tr in idad ▁and ▁Tob ago , ▁Atlantic ▁L NG ▁( Tr in idad ▁and ▁Tob ago ), ▁TR ING EN ▁( am mon ia ▁production ) ▁and ▁the ▁National ▁Fl our ▁M ills ▁( N FM ), ▁which ▁in ▁itself ▁is ▁separately ▁listed ▁on ▁the ▁exchange . ▁ ▁Over ▁the ▁last ▁four ▁years , ▁success ive ▁Minister s ▁of ▁Fin ance ▁have ▁mo