Instructor Training Center & Technical and Vocational Researches with cooperation of International Labor Organization (ILO) and United Nation Development Plan (UNDP) was established in 1974 and after the victory of Islamic Republic of Iran and by all-efforts of Iranian specialists was equipped totally then exploited. This center started its activities formally from 1974. This center basically was established in order to train the needed TVTOs instructors for all TVTCs and for other affiliated institutes and organizations. It, as an independent center, is directed under the supervision of TVTOs president and has a significant role in enhancing and developing human resources. TVTO, affiliated to labor & Social Affairs Ministry, has the responsibility of teaching technical & vocational skills and transferring applied knowledge to learners in order to pave the way for productive employment , promoting working culture in society, developing and improving the labor forces competencies. ITC has delivered some of its courses (instructor training) to some provinces in order to accelerate the process of transferring skills and to increase the quality of training as well as to optimize enjoying the TVTCs capabilities and capacities. Now since enjoying the specialist human resources and having vast software and hardware facilities ITC is the biggest and unique center in the fields of expertise training in the country and in the Middle East region.