Erilyan is a construction company founded in 2011 by Karl Mayoh and Tim Curtin. Operating across Australia, Erilyan delivers the critical projects that shape our Australia’s future,  projects that demand precision, reliability, and true partnership. With a team of more than 120 professionals, we specialise in technically complex sectors including healthcare, data centres, commercial, and other high-performing environments. We partner with clients who value collaboration, transparency, and a commitment to excellence, working together to deliver when it matters.