Google Search Crawler - Repost

Google Search Crawler need to search google for sites using a certain payment processors and then build a list of them in other words technicly it could be done in this fashion that im looking for sites that redirect to a certain URL **** Below is note for Freelancer.ca staff note this project is not for malacious purposes as it only builds a list of what payment processor does a website use that is for the purpose of trying to obtain new merchants for our merchant services provider we provide competive qoutes to business's on there process *****