K&K Line Marking – Wollongong's Trusted Line Marking Experts. High-Quality, Long-Lasting Line Marking at Competitive Prices. At K&K Line Marking, we provide professional line and stencil marking for roads, pathways, carparks, factories, schools, warehouses, playgrounds, loading docks and more across Wollongong, the Illawarra, Shoalhaven, Southern Highlands, Metro and Greater Sydney.