[5] In 1970, a plant was opened in Beverley, South Australia to body 292 AEC Swift 691s for the Municipal Tramways Trust in Adelaide.

In 1979, Denning coaches began to be assembled under licence in New Zealand by the Mount Cook Group.

[7] In December 1988, Leyland Australia (by now renamed JRA Limited) purchased Denning's biggest competitor in the coach market, Austral from AP Group.

[8][9] Both continued to operate separately until 1990 when the Denning plant in Acacia Ridge was closed and production transferred to the Austral facility in Geebung.

[10] The Alan B Denning Co. commenced operations supplying body kits for buses assembled in Asia, primarily on Mercedes-Benz chassis in 1994.