Three games and three wins for the top two in Manx hockey.
Valkyrs A remain ahead on goal difference after a 6-1 victory over Ramsey A, whose consolation was scored by Julie Chesterton.
Reigning champions Bacchas A also have a 100 per cent record.
They ran out 9-1 victors over Vikings B.
Hat-tricks from Andy Whiting and Jamie Brown led the way.
Kim Carney, Sharon Pope and 15 year-old debutant Erin Murphy added the others.
Breesha Foxton scored for Vikings B.
Celts also have three wins out of three.
Paul Kelly hit a treble and was joined on the scoresheet by Sarah Wignall and Dave Clark Wilson in a 5-2 win over Valkyrs B, whose scorers were Chris Thomas and Steven Moore.
The most exciting game of the day saw Vikings A edged out Bacchas B 5-4.
Experienced players Karl Moore (three) and Richard Le Page scored for Bacchas B.
Hockey results for Saturday, September 29
PwC Mixed Premier Division
Celts 5-2 Valkyrs B
Bacchas A 9-1 Vikings B
Ramsey A 1-6 Valkyrs A
Vikings A 5-4 Bacchas B
PwC Mixed Division One
Cammags 2-2 Valkyrs C
Ramsey Ravens 2-2 Bacchas C
Saracens Sabres 2-1 Bacchas Colts
Vikings C 1-2 Harlequins A
PwC Mixed Division Two
Cushags 9-0 Harlequins B
Southerners 2-2 Ramsey Robins
Bacchas D 0-2 Valkyrs D
Vikings D 4-1 Saracens Sharks