It's amazing the members here at IJCSA. Several business here, like phclean.com and crespro.com both show examples of how customer service should be done. Follow ups with customers. Looking at the reviews and thanked the customers and are well thought out.
Both phclean and crespro do a great job at giving their mission statement and explaining why their the best at what they do. Clearly spelled out examples of products they use and what they do for customers and what they will do.