Traditional valuation models are often used to evaluate companies with high growing potentials. However, the construction industry is vulnerable to the influence of an economic downturn and might result in a financial distress, and the traditional valuation models are inadequate in such situations. Since valuation models for the construction industry are rarely studied by researches and scholars, the five traditional valuation models are discussed and modified in this paper as future references of construction industry. In addition, the index of performance is employed to identify the best explanatory valuation model for predicting the equity market price for the construction sector. With supports from case studies, the result shows that the best valuation model is the price to book value ratio. Compared to profit margin, revenue growth has a more significant contribution to the corporate value. During an economic downturn, increasing investment would not encourage the company growth but lower the cash flow, which as a result depreciates the value of the corporate.