Civil Construction

We specialise in all aspects of Civil Construction. Including Subdivision Construction, Directional Drilling, Pavement Construction and Deep Excavations.

Building Construction

We specialise in commercial and industrial construction. Our building construction team is also responsible for delivering the group's property development projects.

Property Development

Wayne Wolpers and Robert Grahl are committed to investing in Darwin and have a full and current understanding of the commercial and industrial property market. 

Electrical Services

DEC Installations NT Pty Ltd is a fully owned subsidiary of Wolpers Grahl Pty Ltd and provides a total electrical service covering commercial and industrial installations and maintenance.