Mavendra Dindyal struck 145 in the final for the Georgetown Cricket Club
In response, Transport reached 202 all out despite twin half-centuries from Alvin Mohabir (58) and Jeremiah Hohenkirk (53).
Omari Lallbachan (3-44), Rivaldo Phillips (3-54) and Singh (3-25) did the damage for the home side.
The county champions thus far are GCC and East Bank Essequibo.
Berbice will continue after the completion of the National Under-19 Inter-County Three-Day Tournament.
On resumption, the remaining matches will commence with the Super-Stage which involves the top five teams, followed by the Play-off and then the Berbice Final.