Gresford's Brendon Hudson and Karuah Red's Brent Bills led their teams to victory with unbeaten tons on Saturday.
Hudson finished on 127 not out as Gresford successfully chased Stockmans’ big total of 232 at Vacy.
Bills retired on 103 not out as his team posted 6/223 before bundling out Karuah White for just 78.
Stockman’s Peter Basham and Wallarobba’s Murray Tighe both narrowly missed out on triple figures.
Basham was on 93 not out when he ran out of partners and Tighe was on 97 when Bunnies captain Joe Gorton held a chance off the bowling of Daniel Bashford.
The game between the two Karuah teams was the only lopsided result with the other two games ending in big-scoring thrillers.
Wallarobba fell four runs short of Bunnies 3/208, being dismissed for 204 on the second last ball of the day.
Bunnies were on their toes in the field securing two run outs, with Reilly and Daniel Bashford both claiming three wickets each.
Brendon Hudson (2-18 off three overs) and Nick Horn (2-0 off one over) both secured important wickets
David C Gillespie (35) and Joshua Chippindale (34) gave Stockmans a solid start before they both fell with the score on 83.
When Dane Lawrence (3-47) had No.3 Daniel Perkins caught for a duck, Stockmans were reeling on 3-85.
Peter Basham turned things around and his 76-run partnership with James Jupp (20) had Stockmans on 6/189. However, the tail could not stick around and the they were all out in the 29th over.
Gresford’s batsman were on top with Beau Cowley (20) and Stuart Craig (64) giving Basham great support as he and Thomas Everett (8) passed Stockmans’ tally in the 31st over to secure an eight-wicket win.
David Foot (44) and Ben C Woolard (43) gave century maker Brent Bills plenty of support as Karuah Red compiled 6/223 from their 30 overs.
Nathan Grimshaw (16) and Caleb Grimshaw (11) were the only Karuah White batsmen to make double figures as Mark Bills (4-19) and Brad Pinch (3-12) tore through their line-up.
Clarence Town had the bye.
Paterson C-grade shared the runs and wickets to record a four-wicket win against Belmore in one of the few games in Maitland one-day cricket to proceed on the weekend.
Paterson dismissed Belmore for 99 in the 34th over with Grant Jackson leading the attack with 3-12. Adam Hicks picked up 2-26 and Harrison Bridges finished with 2-10.
Sean Presland top scored with 34 as Paterson posted 6/103 in 24.4 overs. Adam Hicks made 23, Jason Hicks 21 and Gavin Presland was 11 not out.