Mohamed Ali Abd el Wahab Moawad, Mamdouh Mustafa Ismail, The Experiments of the Application of Just in Time (JIT) Systems in Industry and Services, International Business Management, Volume 10,Issue 28, 2016, Pages 6337-6348, ISSN 1993-5250, ibm.2016.6337.6348, (https://makhillpublications.co/view-article.php?doi=ibm.2016.6337.6348) Abstract: This study aimed at shedding the light on the most important pioneering experiments in applying Just in Time (JIT) systems in industry and services. Also, benefits achieved by these systems, the most important learned lessons from them and finding out the reasons of the differences of the application results in each of them separately. The study relied on the descriptive approach to achieve the objectives of the study. The relevant literatures have been reviewed which dealt with these experiences researches, studies, theses and books. The study concluded that there is a difference in the achieved results in companies that applied JIT systems. In addition, applying these systems may take a long time which could be up to 20 years and there is a Keenness from companies not to publish their experiences, fearing of coping or participation in competitive advantages. Companies dealt with study such as Toyota motors, Dell, Green Gear, Nigerian companies, Seattle Children’s Hospital and International Changi Airport in Singapore achieved a lot of advantages because of applying JIT systems. Some companies faced many obstacles that monitored by the study. These systems focus on process rather than product, so the health sector benefited from applying JIT systems as industrial companies. Keywords: experiments;pioneering;services;industry;JIT systems