Background/Objectives: The unbiased of this study is to assess the application of lean construction of construction firms and give eminence grade model to construction enterprises. Methods/Statistical Analysis: Wastage in the construction companies has been subject of several research projects around the world in recent years. It is commonly recognized that very high level of waste exists in construction companies. Lean Construction considers construction wastes as prospective wastes that obstruct flow of value to the user and should be eliminated or avoided. The creation of this waste can be eliminated or prevented by applying lean construction principles. The data for this study will be gathered through a detailed questionnaire survey. The target population for the data collection is project managers of building construction organizations. The questionnaires consist of major factors that influencing the implementation of lean construction. By knowing the major factors gives better understanding in allocating them to parties/stake holders involved. Statistical Package for Social Scientists (SPSS) was employed to analyze data. Findings: As a result, the execution level of construction companies in order to the use of lean construction was acquired, to check how it was implicit and in what way its principles were realistic. After this, the results were determined and suggestions stood through to the concerns to help them contrivance Lean Thinking. Application/Improvements: This study results are used for Construction Industries.