Identify subcontractors selection criteria in construction companies with new approach using Kano model

In most projects, contractors play a managerial role and subcontractors get the executive responsibility of main contractors. Consequently, subcontractors’ management is one of the most important issues in the program of project management. This research intends to investigate the subcontractors’ selection criteria. The Kano model, applied here to classify these criteria into three categories including must be, one-dimensional, and attractive. The Kano questionnaire was distributed among the best contractor companies in Tehran and the results were calculated by applying weighted mean method. The most important outcome of this paper is to present a realistic classification of criteria for the subcontractor selection in Iran.