The Tigers are sitting on top of the competition points ladder on eight points after their 14-8 win over EPG Enga Mioks on Sunday.
The PRK Mendi Muruks are in second place, having lost only one game to the Kroton Hela Wigmen back in round one.
The Mioks and Waghi Tumbe have only registered one win this season, while the NCDC Port Moresby Vipers are still winless.
The current standings:
Lae Snax Tigers (8), PRK Mendi Muruks (6), Kroton Hela Wigmen (5), Agmark Rabaul Gurias (5), Bintangor Goroka Lahanis (4), EPG Enga Mioks (2), Waghi Tumbe (2), NCDC Port Moresby Vipers (0).
Round five matches will be played this weekend in Goroka, Lae, Kokopo and Minj.