Business listings are information about your company on Internet websites.  The business listings contain information about your business like name, address, phone number and website.  It may also have a place for your logo and images about your business.  The main benefit of a business listing is another opportunity for people to discover your business because the website it is listed on is probably a directory of businesses in your industry.  People go to the website when they are looking for business of your type.  Another benefit is the link to your website is a signal to search engines that your business is legitimate because it has the same name, address and phone number.