Businesses do not operate in a vacuum. They operate in a dynamic, complex and competitive environment. So, the success and failure of many companies depends on several factors and the possibility to analyze them according the information level. The importance and the priorities of factors analysis vary from one situation to another due to the specific nature of the product and service, company and industry. Therefore, the organizational processes have to be based and adapted to the external environment. The main purpose of this paper is to critically examine and rank the effects of external environment factors on organizational performance in an industry. The data are collected through a structured questionnaire. The questionnaire includes sections which assess the impact of changes and developments in the external environment. The survey is conducted mainly in Vlora city and randomly in Himara and Orikum. Following the purpose of the study, it has been involved all the construction companies that do business in the city of Vlora and in their construction projects portfolios are involved: infrastructure, residential buildings (living apartments and villas), industrial constructions and other buildings such as hospitals, universities, government buildings, etc. To analyze the data collected through the questionnaires, we used the statistical test such as mean, median, standard deviation as well as specific weights to rank the evaluation effect of each external factor.This paper reports findings on the relationship between the external factors and the organizational performance. The study found significant positive and negative effects of external factors on performance as well as classifying them in the factors that facilitate or create barriers to business.