<p><em>This research aims to determine the effect of event’s service quality and event’s satisfaction of company sport repetitive event on employee happiness at PT. Pertamina (Persero) Refinery Unit III Plaju. The population in this study is all employees of PT. Pertamina (Persero) Refinery Unit III Plaju as many as 1024 employees. The samples used in the study were as many as 156 employees as respondents obtained by probability sampling with proportional random sampling method. Data collection methods use questionnaires and data processing techniques used through multiple linear regression analysis. Results of multiple linear regression analysis showed that event’s service quality has a positive and significant effect on the employee’s happiness at PT Pertamina (Persero) Refinery Unit III as well as the event’s satisfaction is positive and significant to the employee’s happiness at PT Pertamina (Persero) Refinery Unit III. From those variables, the most dominant variable affecting employee happiness in this study was the service quality. It is recommended to PT Pertamina (Persero) Refinery Unit III to enhance service quality aspects at the future company sport repetitive events, including interaction quality, physical environment quality and outcome quality. For further researchers, it is advisable to add other variables including performance, work environment, compensation and achievements.</em></p>

<p class="abstrak">Plant Performance Operations and Financial Tracking (PROFIT) mobile application is an effort by Pertamina, an Indonesian State-owned Enterprise that runs an integrated core business at oil, gas, and renewable energy, to implement an integrative strategic information system (SIS). PROFIT aims to provide information among employees, to monitor the performances of the refinery, facilitate communication and coordination of work activities among employees, and support the budgeting process at several projects initiated. This study examines the effect of the PROFIT mobile application as an integrated information system on employee performance. The results show that PROFIT Apps as SIS, is a positive and significant variable in the performance of the Process Engineering of Pertamina Refinery Unit III Plaju’s Employees. The samples used in the study were Process Engineering of Pertamina Refinery Unit III Plaju’s Employees. Data collection methods use questionnaires and data processing techniques used through multiple linear regression analysis. This research could contribute ideas and scientific study materials for PT. Pertamina (Persero) Refinery Unit III and other company management in setting policies related to development of SIS as integrative information systems as an effort to influence corporate strategy and performance positively.</p><p class="abstrak">Keywords: corporate performance; mobile application; refinery performance; strategic information systems</p>