Construction & Developers We work with Construction companies and developers such as Marksam investments, Cogri, Marine & Civil, TW Projects on major scale civil projects.Bridge WideningRoad WideningSubdivisions See All Projects Our Projects. Marine & Civil, Howard Street Bendigo Bridge Widening Road Widening Hastings, Frankston-Flinders Rd 280 Hume Hwy - Road Widening Smith Street Yea, Subdivision