Service is an intangible product which is featured by the experience rooted from the consumption of the service. Quality in delivery of goods and services is a critical aspect for every business in modern complex era of marketing. An organization can retain itself in the long run only by satisfying its customers. The way in which businesses were organized changed after the Industrial Revolution, and this change indirectly brought about the emergence of total quality management. Customer satisfaction, service quality and loyalty are most important factors in today global economic downturn for retention, profitability and productivity of the business as a whole. Service quality contribution is the most important factor to investigate the outcome of the customer expected and perceived service attributes of any business. Whether manufacturing, service or retail firm’s quality of service is of great importance to both customers and companies.