Today, there are many instances of team work great successes in different societies.Following these successful expreiences, many orginzations have moved toward creating teamworks. However merely creating these teams have not satisfied their principle needs. Tasks, duties and projects are done in an organization with either improvement or current approch. Teamworks are following current approach doing above-said tasks and duties, while quality control circles mostly benefit from improvent appproach. Therfore by including variables and factors present in quality control circles, we would try to change team's perspective from current to improvement approach. As a result, this research was begun with 2 hypotheses. By studying the reasearch background and getting full familarity with problem and atmosphere in Reacerch Institute of Petroleum Industry (RIPI), a questionnaire was designed. After having questionnaires complete, gathering and analyzing obtained data, major teamwork evaluation indices were extarxted and ranked with regards to different organizational, team and individual characteristics. Regarding degree of importance, organization strategy factor obtained the first rank. Reliance among group members and emotional intelligence, however, were of the highest importance in team-personal characteristics section.