In January 1988, Kefford Corporation purchased the Sitch Group and its subsidiaries:[15][16] In May 1991, St Kilda Bus Service was purchased with route 606 Port Melbourne – St Kilda and rebranded Werribee Bus Lines.

However, the Sitch, Altona Bus Lines and Point Cook – Werribee names remained in use as legal entities of Kefford Corporation until the late 2000s to early 2010s.

In January 1988, Kefford Corporation also purchased routes 605 Melbourne central business district − Elsternwick and 630 Elwood − Monash University from Sinclair's Bus Service.

[30][31] In November 2008, ComfortDelGro Cabcharge (CDC) announced the acquisition of Kefford Corporation for A$149 million.

[2] At the time Kefford was the fourth-largest bus operator in Victoria, with a fleet of 328 buses and six depots, and with a 16% market share.

In February 2009, when ComfortDelGro Cabcharge entered the Victorian bus market with the acquisition of Kefford Corporation for A$149 million, with its fleet of 328 buses and six depots.

The fleets retained their individual identities and liveries, with small CDC Victoria markings.

Initially, the fleet continued to operate as Eastrans and Westrans in Melbourne, Benders Busways in Geelong and Davis Bus Lines in Ballarat.