It means that how the bargaining power of suppliers, bargaining power of buyers, threat of new entrants and threat of substitutes would influence the competition of different competitors in this similar industry and depending on their size. industry. All companies in the sector are different and have a different impact (Johnson et al 2009). Some companies are large and have significant capital, while others are small or medium-sized and therefore have different industrial structures (Johnson et al 2009). For example, in the banking sector, there are retail banks, corporate banks and Western syndicates. The effect could be discovered by carrying out an industrial analysis and therefore companies could have strategies to continue existing in the market (Johnson et al.