Established in 1971. We are one of the largest staircase manufacturers in Sydney, producing and installing staircases through ... out NSW. Genneral Staircase is the pinnacle of the staircase and balustrading industry. Our company has grown, and will continue to grow, due to our quality and service. Genneral Staircase is capable of undertaking large commercial projects of quantities over 1000 units to the smallest one off job. read more