Bookmaker odds-comparison application

I am looking for companies with experience in the area of odds-comparison. Many bookmakers on the internet publish prices for the same events and matches. These can be collected and aggregated and ultimately display on a website known as an odds-comparison site. Examples of these are: [login to view URL] , [login to view URL] I am interested in having this software being added to my website as well as having an api put in place so i can allow others to use this odds-comparison chart on there wensite with my affiliate codes. So i'm looking for companies that have created this type of software before. Looking forward to hearing from you. thankyou