RPEQ Engineering
in Toowoomba
Black Square Engineering provides RPEQ-led engineering, plant and equipment certification, and compliance sign-off services in Toowoomba and across the Darling Downs and regional Queensland. We support agriculture, energy, and regional industry with practical, defensible engineering solutions — from basic certification of plant, sheds, and lifting components through to complex infrastructure and process challenges. With RPEQ engineers leading each project, we deliver straightforward, reliable outcomes, whether it’s a small compliance requirement or a larger engineering scope.
Engineering services available in Toowoomba
We provide the same full engineering capability from our Toowoomba location, with work shared across offices to ensure depth of expertise and efficient delivery.
Who we work with in Toowoomba and Southern Queensland
We support operators and contractors across agriculture, transport, construction, manufacturing, gas fields, energy infrastructure, and regional local government throughout the Darling Downs, Western Downs, Southern and South Western Queensland, and Northern New South Wales.
Regional service footprint
Our Toowoomba office supports projects across the Darling and Western Downs, Southern and South Western Queensland, gas field regions, and Northern New South Wales, providing local access backed by shared engineering capability across all offices.
Toowoomba • Darling Downs • Western Downs • Lockyer Valley • Surat Basic • Maranoa • South Burnett • Central Highlands