Energy Saving Companies (ESCOs) are considered as one of the key factors which helps in reduction of Operational Expenses (OPEX) by reducing the consumption of capital power. In this study, through a Questionnaire, the OPEX reduction potential is compared between ESCOs who and their counterparts who charge for their service. SPSS 21 is used to analyse the data. The result shows that ESCOs have offered substantial savings on capital expenditure when compared with their counterparts.