© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. This is the Author’s Accepted Manuscript version of a paper published in the proceedings of the 2014 IEEE International Conference on Industrial Engineering and Engineering Management in December 2014. The full citation of the original IEEE publication is: Adebanjo, D., Tickle, M., Ojadi, F., Ieromonachou, P., Laosirihongthong, T. and Michaelides, R. (2014) Supplier selection activities in the service sector: A case study in Nigeria. In: 2014 IEEE International Conference on Industrial Engineering and Engineering Management. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 189-193. ISBN 9781479964109 (doi:10.1109/IEEM.2014.7058626) The final publication is available at IEEE via http://dx.doi.org/10.1109/IEEM.2014.7058626