Jeremy Williams crossed for a brace of tries in Three South East as Nantymoel won 34-25 at Brecon while Rhydyfelin went over five times in their 36-29 derby win at Mountain Ash.
Top dogs Treherbert had an easy 43-0 win over Ynysybwl with Gilfach's victory at Tylorstown keeping them in second place.
In the top-of-the-table clash in Three West, Kidwelly came out on top by winning 25-13 at Pontyberem and Haverfordwest kept up their unbeaten record after a 28-0 win over visitors Hendy.
Bryncoch and Banwen head Three South West with 24 points each after Bryncoch's 50-12 win away to Ystradgynlais and Banwen's narrower 18-6 success at Skewen. Maesteg Quins dropped to thrd after being held to a home draw by Glynneath.
Former Wales international Dai Bishop crossed for one of Old Illtydians three tries against Cwmbran but a late surge by the Gwent men saw them win 35-18 in Three East, where Senghenydd and Brynithel joined them on 18 points. Senghenydd won at Abercarn and Brynithel succeeded away to Newport HSOB.
Bargoed remain top of Four East after a 27-15 success against Pontllanfraith and St Peter's improved form continued with a 36-20 victory over Tredegar Ironsides. Blaina remained in second place after 36-21 away win over
Cardiff HSOB at the Diamond Ground. Loughor look to be the side to beat in Four West after a 57-12 win at
Milford Haven kept them three points clear of Llanelli Wanderers who had a splendid 43-0 win at Llandybie.
Fairwater and Pontymmer have 21 points at the head of Four South-East both having narrow home victories. Fairwater just held off Abercwmboi 25-22 and
Pontymmer beat Pontyclun 19-10. Taibach just held on to the lead in Four South-West despite losing 25-20 away to Maesteg Celtic and Alltwen are now second after a 35-22 win over Glais.
Ruthin are still unbeaten after eight straight wins in Four North, having won 20-0 at Wrexham, while Nant Conwy, who Ruthin defeated in week one, gained a 37-0 win at the expense of bottom club Bala.
Trinant and Machen both lost, but they are linked at the head of Five East after Trinant fell at Nantyglo also crashed at home to Bettws.
Five West leaders Cefneithin and second-placed were without a match, but in the South-West Resolven's 41-7 victory over Cwmtwrch keeps them clear at the top and Llandaff claimed the Cardiff derby with a 20-14 win over near neighbours Llandaff North in Five South East, though it is Llantwit Major who have inched ahead following a 12-12 draw at home to Cilfynydd.