About Us

GRM is a Sutherland Shire based linemarking contractor, servicing the Sydney metropolitan area, the Central Coast and surrounds.


GRM are committed to using only the highest quality materials for all linemarking work.

GRM only use materials that meet or exceed current Australian standards.  Products used include thermoplastic, waterborne and solvent paints, cold applied plastic and high friction surfacing, high retro-reflectivity glass beads.


GRM have been engaged in large and small projects since the mid 1970's.  We hold long term contracts with local governments and civil contractors and are the preferred linemarking supplier for a number of organisations. From new road linemarking to car parks and sports fields, airfield markings, asset data collection and maintenance of existing delineation, GRM can take care of all of your linemarking needs. 


Our experienced team can work with you to ensure compliance with WH&S and Australian Standards, as well as giving you the best result that will stand the test of time.