The aim of this research is to empirically examine the effect of supply chain integration on operational performance. In order to address the research objective, a quantitative survey approach is used to collect the relevant data from the target population of the study which includes Chemical and Chemical product manufacturing firms in Ethiopia. A questionnaire was administered to target respondents to collect a primary data for the study. To analyze the data this study applied a descriptive and non parametric statistics including Kendall’s correlation and Kruskal Wallis test to see the significant relationship between hypothesized variables as well as to measure the direction and strength of the relationship. The result from study shows a significant positive effect of supply chain integration construct on the operational performance of firms. However, this research investigation did not found statistically significant evidence on the effect of internal integration on external integrations
Keywords: Ethiopia, Integration, Manufacturing, Supply Chain, chemical product