This paper presents a survey conducted on Sustainability of Small and Micro Enterprises. Small and Micro Enterprises (SMEs) has a vital place in the economic development of any nation. In the State of Oromia, for example Small and Micro Enterprise (SMEs) sector contributed over 50 percent in the economic development and created significant number of new jobs despite number of difficulties that the SMEs are facing. Past statistics indicated that two out of five unable to survive during the first six months. This study investigates the way SMEs handle the challenges and sustain to exist in the computing business. This study employed simple random sampling to collect data from 57 registered and licensed small and micro enterprises. Data collected using Questionnaire and interviews was analyzed and presented. Access to finance, land, Electricity, trained workforce, transportation, political instability, licenses & permits and tax rates are major challenges of small and micro enterprise (SMEs). Before and on job training for members of small and micro enterprise (SMEs) is found so essential to capacitate the members for strengthening and identifying business areas where SMEs can further play a part in promoting research projects that can help them to copy or adopt technologies already exists in order to enhance their production and become competitive in the labor market as well as mange to the enterprises sustain. In spite of challenges and different measures taken since its inceptions, SMEs are increased in number and sizes; however they are still facing hard conditions. Disparities among the SMEs are significantly escalating by creating excessive pressure on enhancing the productivity of the SMEs and hamper the important role it can play in the economic sector. As similar studies indicate, such challenges can be addressed if the government is to providing various support services such as setting strategies to overcome the challenges; fair price to their products, better-quality customer service and continuously on job training can enhance the sustainability of small and micro enterprises.