The study examined the nexus between operations improvement function (dimensioned by contingency planning, benchmarking and continuous improvement processes) and organisational adaptability of Petroleum tank farms in South-South, Nigeria. The contingency theory and the theory of routine dynamics underpinned the study, and positivism was the underlying philosophy. The study adopted the cross-sectional survey through the use of questionnaire. 820 middle and top-level managers constituted the elements of the population, and the Krejcie & Morgan's formula was used to determine the sample size of 262 respondents.

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The examination assessed the connection between information technology infrastructure and organisational sustainability (with environmental sustainability and economic sustainability as proxies) of petroleum tank farms in South-South, Nigeria. The theory of technology-organisation-environment framework was the underlying theory and the underpinning philosophy is positivism. A cross-sectional survey approach was used, and questionnaire was used to collect primary data. The Krejcie & Morgan’s formula was used to determine a sample size of 262, from a population of 820 key managers. The sample size was adjusted by 10% to 288 respondents, to provide for non-responses and outliers. The hypotheses were tested using the structural equation model, at 0.05 level of significance. The analyses showed that information technology infrastructure has positive significant relationship with the proxies of organisational sustainability. The investigation concludes that information technology infrastructure positively and significantly enhances organisational sustainability. This underscores the need for managers to recognize the pivotal role of information technology infrastructure in boosting environmental sustainability and economic sustainability. Therefore, Managers of petroleum tank farms should effectively provide their teams with IT support for collaborative work regardless of time and place. Also, Management of petroleum tank farms should put in place, appropriate technology that allows effective recording and reporting of outcome for people using their services and ensuring that the selection, implementation, use, maintenance and improvement of technological solution, is included in their organizations’ strategic service planning.